# What is CVE-2021-46758? > CVE-2021-46758 is a medium-severity flaw (CVSS 6.1) in Ryzen 7 5700g Firmware from Amd, published on 14 November 2023. It is not on the list of flaws known to be exploited today. The latest forecast puts its chance of use in the next 30 days at 0.3%. If you run an affected version, plan in the vendor’s fix. Canonical page: https://www.precursorintelligence.com/what-is/cve-2021-46758 ## At a glance - **Verdict:** Plan it in. No sign of exploitation and a low forecast. Patch it in your normal update cycle. - **Precursor Intelligence risk score:** 25 out of 100 (Low); action: Monitor. Kept up to date as the evidence changes. - **Severity:** Medium (CVSS 6.1 out of 10) - **Known to be exploited:** No, not on the list of flaws known to be exploited today - **Chance of use in the next 30 days:** 0.3% (latest exploit-likelihood forecast) - **Published:** 14 November 2023 - **Record last updated:** 28 December 2023 - **Main product:** Ryzen 7 5700g Firmware from Amd - **Affected products:** 122 ## What is CVE-2021-46758? In plain terms An attacker has to be physically at the device without logging in, and nobody has to click anything. If it works, the attacker can change data and take it offline. ### The official description Insufficient validation of SPI flash addresses in the ASP (AMD Secure Processor) bootloader may allow an attacker to read data in memory mapped beyond SPI flash resulting in a potential loss of availability and integrity. ### What kind of flaw is it? - Unknown: Unknown ### How an attack on it works - Where an attacker can be: Physically at the device - How hard it is to pull off: Easy: no special conditions - Login needed first: No login needed - Does someone have to click: No, nobody has to do anything - What an attacker gets: Can change data and take it offline Severity vector: `CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H` ## Is CVE-2021-46758 being exploited? Not that we know of It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 0.3%. That can change at any time, which is why we keep watching. Exploit likelihood over the last 7 days: 0.3%, 0.3%, 0.3%, 0.3%, 0.3%, 0.3%, 0.3%. ### Timeline - 14 November 2023: Published - 28 December 2023: Record last updated ### How Precursor Intelligence ranks it CVE-2021-46758 scores **25 out of 100 (Low)**, with the action "Monitor". Every published flaw gets a risk score from 0 to 100, kept up to date as the evidence changes. Four things go into the score, from the one that counts most to the ones that count less: - Evidence it is being exploited: biggest factor - How severe it is: strong factor - How widely exposed it is: smaller factor - Threat activity around it: smaller factor 85 and above is Critical. Anything confirmed as exploited is always marked for an emergency patch, whatever its score. When this flaw matches software you track, it lands in your list with its score and the reasons behind it. ## Who is affected by CVE-2021-46758? The published record lists 122 products. Versions are as published: "before comboam4v2_pi_1.2.0.8" means every version up to, but not including, comboam4v2_pi_1.2.0.8. - [Ryzen 7 5700g Firmware](https://www.precursorintelligence.com/product/amd/ryzen_7_5700g_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before comboam4v2_pi_1.2.0.8 - [Ryzen 3 4300u](https://www.precursorintelligence.com/product/amd/ryzen_3_4300u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 3 4300u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_3_4300u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before renoirpi-fp6_1.0.0.a - [Ryzen 3 5125c](https://www.precursorintelligence.com/product/amd/ryzen_3_5125c) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 3 5125c Firmware](https://www.precursorintelligence.com/product/amd/ryzen_3_5125c_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before cezannepi-fp6_1.0.0.c - [Ryzen 3 5300g](https://www.precursorintelligence.com/product/amd/ryzen_3_5300g) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 3 5300g Firmware](https://www.precursorintelligence.com/product/amd/ryzen_3_5300g_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before comboam4v2_pi_1.2.0.8 - [Ryzen 3 5300ge](https://www.precursorintelligence.com/product/amd/ryzen_3_5300ge) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 3 5300ge Firmware](https://www.precursorintelligence.com/product/amd/ryzen_3_5300ge_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before comboam4v2_pi_1.2.0.8 - [Ryzen 3 5300u](https://www.precursorintelligence.com/product/amd/ryzen_3_5300u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 3 5300u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_3_5300u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before cezannepi-fp6_1.0.0.c - [Ryzen 3 5400u](https://www.precursorintelligence.com/product/amd/ryzen_3_5400u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 3 5400u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_3_5400u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before cezannepi-fp6_1.0.0.c - [Ryzen 3 5425u](https://www.precursorintelligence.com/product/amd/ryzen_3_5425u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 3 5425u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_3_5425u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before cezannepi-fp6_1.0.0.c - [Ryzen 3 7335u](https://www.precursorintelligence.com/product/amd/ryzen_3_7335u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 3 7335u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_3_7335u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before rembrandtpi-fp7_1.0.0.5 - [Ryzen 3 Pro 7330u](https://www.precursorintelligence.com/product/amd/ryzen_3_pro_7330u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 3 Pro 7330u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_3_pro_7330u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before cezannepi-fp6_1.0.0.c - [Ryzen 5 4500u](https://www.precursorintelligence.com/product/amd/ryzen_5_4500u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 5 4500u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_5_4500u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before renoirpi-fp6_1.0.0.a - [Ryzen 5 4600h](https://www.precursorintelligence.com/product/amd/ryzen_5_4600h) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 5 4600h Firmware](https://www.precursorintelligence.com/product/amd/ryzen_5_4600h_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before renoirpi-fp6_1.0.0.a - [Ryzen 5 4600hs](https://www.precursorintelligence.com/product/amd/ryzen_5_4600hs) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 5 4600hs Firmware](https://www.precursorintelligence.com/product/amd/ryzen_5_4600hs_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before renoirpi-fp6_1.0.0.a - [Ryzen 5 4600u](https://www.precursorintelligence.com/product/amd/ryzen_5_4600u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 5 4600u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_5_4600u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before renoirpi-fp6_1.0.0.a - [Ryzen 5 4680u](https://www.precursorintelligence.com/product/amd/ryzen_5_4680u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 5 4680u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_5_4680u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before renoirpi-fp6_1.0.0.a - [Ryzen 5 5500h](https://www.precursorintelligence.com/product/amd/ryzen_5_5500h) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 5 5500h Firmware](https://www.precursorintelligence.com/product/amd/ryzen_5_5500h_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before cezannepi-fp6_1.0.0.c - [Ryzen 5 5500u](https://www.precursorintelligence.com/product/amd/ryzen_5_5500u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 5 5500u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_5_5500u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before cezannepi-fp6_1.0.0.c - [Ryzen 5 5560u](https://www.precursorintelligence.com/product/amd/ryzen_5_5560u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 5 5560u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_5_5560u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before cezannepi-fp6_1.0.0.c - [Ryzen 5 5600g](https://www.precursorintelligence.com/product/amd/ryzen_5_5600g) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 5 5600g Firmware](https://www.precursorintelligence.com/product/amd/ryzen_5_5600g_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before comboam4v2_pi_1.2.0.8 - [Ryzen 5 5600ge](https://www.precursorintelligence.com/product/amd/ryzen_5_5600ge) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 5 5600ge Firmware](https://www.precursorintelligence.com/product/amd/ryzen_5_5600ge_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before comboam4v2_pi_1.2.0.8 - [Ryzen 5 5600h](https://www.precursorintelligence.com/product/amd/ryzen_5_5600h) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 5 5600h Firmware](https://www.precursorintelligence.com/product/amd/ryzen_5_5600h_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before cezannepi-fp6_1.0.0.c - [Ryzen 5 5600hs](https://www.precursorintelligence.com/product/amd/ryzen_5_5600hs) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 5 5600hs Firmware](https://www.precursorintelligence.com/product/amd/ryzen_5_5600hs_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before cezannepi-fp6_1.0.0.c - [Ryzen 5 5600u](https://www.precursorintelligence.com/product/amd/ryzen_5_5600u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 5 5600u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_5_5600u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before cezannepi-fp6_1.0.0.c - [Ryzen 5 5625u](https://www.precursorintelligence.com/product/amd/ryzen_5_5625u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 5 5625u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_5_5625u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before cezannepi-fp6_1.0.0.c - [Ryzen 5 6600h](https://www.precursorintelligence.com/product/amd/ryzen_5_6600h) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 5 6600h Firmware](https://www.precursorintelligence.com/product/amd/ryzen_5_6600h_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before rembrandtpi-fp7_1.0.0.5 - [Ryzen 5 6600hs](https://www.precursorintelligence.com/product/amd/ryzen_5_6600hs) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 5 6600hs Firmware](https://www.precursorintelligence.com/product/amd/ryzen_5_6600hs_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before rembrandtpi-fp7_1.0.0.5 - [Ryzen 5 6600u](https://www.precursorintelligence.com/product/amd/ryzen_5_6600u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 5 6600u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_5_6600u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before rembrandtpi-fp7_1.0.0.5 - [Ryzen 5 7535hs](https://www.precursorintelligence.com/product/amd/ryzen_5_7535hs) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 5 7535hs Firmware](https://www.precursorintelligence.com/product/amd/ryzen_5_7535hs_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before rembrandtpi-fp7_1.0.0.5 - [Ryzen 5 7535u](https://www.precursorintelligence.com/product/amd/ryzen_5_7535u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 5 7535u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_5_7535u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before rembrandtpi-fp7_1.0.0.5 - [Ryzen 5 Pro 7530u](https://www.precursorintelligence.com/product/amd/ryzen_5_pro_7530u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 5 Pro 7530u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_5_pro_7530u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before cezannepi-fp6_1.0.0.c - [Ryzen 7 4700u](https://www.precursorintelligence.com/product/amd/ryzen_7_4700u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 7 4700u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_7_4700u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before renoirpi-fp6_1.0.0.a - [Ryzen 7 4800h](https://www.precursorintelligence.com/product/amd/ryzen_7_4800h) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 7 4800h Firmware](https://www.precursorintelligence.com/product/amd/ryzen_7_4800h_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before renoirpi-fp6_1.0.0.a - [Ryzen 7 4800hs](https://www.precursorintelligence.com/product/amd/ryzen_7_4800hs) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 7 4800hs Firmware](https://www.precursorintelligence.com/product/amd/ryzen_7_4800hs_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before renoirpi-fp6_1.0.0.a - [Ryzen 7 4800u](https://www.precursorintelligence.com/product/amd/ryzen_7_4800u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 7 4800u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_7_4800u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before renoirpi-fp6_1.0.0.a - [Ryzen 7 4980u](https://www.precursorintelligence.com/product/amd/ryzen_7_4980u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 7 4980u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_7_4980u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before renoirpi-fp6_1.0.0.a - [Ryzen 7 5700g](https://www.precursorintelligence.com/product/amd/ryzen_7_5700g) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 7 5700ge](https://www.precursorintelligence.com/product/amd/ryzen_7_5700ge) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 7 5700ge Firmware](https://www.precursorintelligence.com/product/amd/ryzen_7_5700ge_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before comboam4v2_pi_1.2.0.8 - [Ryzen 7 5700u](https://www.precursorintelligence.com/product/amd/ryzen_7_5700u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 7 5700u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_7_5700u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before cezannepi-fp6_1.0.0.c - [Ryzen 7 5800h](https://www.precursorintelligence.com/product/amd/ryzen_7_5800h) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 7 5800h Firmware](https://www.precursorintelligence.com/product/amd/ryzen_7_5800h_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before cezannepi-fp6_1.0.0.c - [Ryzen 7 5800hs](https://www.precursorintelligence.com/product/amd/ryzen_7_5800hs) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 7 5800hs Firmware](https://www.precursorintelligence.com/product/amd/ryzen_7_5800hs_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before cezannepi-fp6_1.0.0.c - [Ryzen 7 5800u](https://www.precursorintelligence.com/product/amd/ryzen_7_5800u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 7 5800u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_7_5800u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before cezannepi-fp6_1.0.0.c - [Ryzen 7 5825u](https://www.precursorintelligence.com/product/amd/ryzen_7_5825u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 7 5825u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_7_5825u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before cezannepi-fp6_1.0.0.c - [Ryzen 7 6800h](https://www.precursorintelligence.com/product/amd/ryzen_7_6800h) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 7 6800h Firmware](https://www.precursorintelligence.com/product/amd/ryzen_7_6800h_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before rembrandtpi-fp7_1.0.0.5 - [Ryzen 7 6800hs](https://www.precursorintelligence.com/product/amd/ryzen_7_6800hs) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 7 6800hs Firmware](https://www.precursorintelligence.com/product/amd/ryzen_7_6800hs_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before rembrandtpi-fp7_1.0.0.5 - [Ryzen 7 6800u](https://www.precursorintelligence.com/product/amd/ryzen_7_6800u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 7 6800u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_7_6800u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before rembrandtpi-fp7_1.0.0.5 - [Ryzen 7 7735hs](https://www.precursorintelligence.com/product/amd/ryzen_7_7735hs) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 7 7735hs Firmware](https://www.precursorintelligence.com/product/amd/ryzen_7_7735hs_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before rembrandtpi-fp7_1.0.0.5 - [Ryzen 7 7735u](https://www.precursorintelligence.com/product/amd/ryzen_7_7735u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 7 7735u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_7_7735u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before rembrandtpi-fp7_1.0.0.5 - [Ryzen 7 7736u](https://www.precursorintelligence.com/product/amd/ryzen_7_7736u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 7 7736u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_7_7736u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before rembrandtpi-fp7_1.0.0.5 - [Ryzen 7 7800x3d](https://www.precursorintelligence.com/product/amd/ryzen_7_7800x3d) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 7 7800x3d Firmware](https://www.precursorintelligence.com/product/amd/ryzen_7_7800x3d_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before comboam5_1.0.0.1 - [Ryzen 7 Pro 7730u](https://www.precursorintelligence.com/product/amd/ryzen_7_pro_7730u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 7 Pro 7730u Firmware](https://www.precursorintelligence.com/product/amd/ryzen_7_pro_7730u_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before cezannepi-fp6_1.0.0.c - [Ryzen 9 4900h](https://www.precursorintelligence.com/product/amd/ryzen_9_4900h) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 9 4900h Firmware](https://www.precursorintelligence.com/product/amd/ryzen_9_4900h_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before renoirpi-fp6_1.0.0.a - [Ryzen 9 4900hs](https://www.precursorintelligence.com/product/amd/ryzen_9_4900hs) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 9 4900hs Firmware](https://www.precursorintelligence.com/product/amd/ryzen_9_4900hs_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before renoirpi-fp6_1.0.0.a - [Ryzen 9 5900hs](https://www.precursorintelligence.com/product/amd/ryzen_9_5900hs) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 9 5900hs Firmware](https://www.precursorintelligence.com/product/amd/ryzen_9_5900hs_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before cezannepi-fp6_1.0.0.c - [Ryzen 9 5900hx](https://www.precursorintelligence.com/product/amd/ryzen_9_5900hx) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 9 5900hx Firmware](https://www.precursorintelligence.com/product/amd/ryzen_9_5900hx_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before cezannepi-fp6_1.0.0.c - [Ryzen 9 5980hs](https://www.precursorintelligence.com/product/amd/ryzen_9_5980hs) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 9 5980hs Firmware](https://www.precursorintelligence.com/product/amd/ryzen_9_5980hs_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before cezannepi-fp6_1.0.0.c - [Ryzen 9 5980hx](https://www.precursorintelligence.com/product/amd/ryzen_9_5980hx) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 9 5980hx Firmware](https://www.precursorintelligence.com/product/amd/ryzen_9_5980hx_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before cezannepi-fp6_1.0.0.c - [Ryzen 9 6900hs](https://www.precursorintelligence.com/product/amd/ryzen_9_6900hs) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 9 6900hs Firmware](https://www.precursorintelligence.com/product/amd/ryzen_9_6900hs_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before rembrandtpi-fp7_1.0.0.5 - [Ryzen 9 6900hx](https://www.precursorintelligence.com/product/amd/ryzen_9_6900hx) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 9 6900hx Firmware](https://www.precursorintelligence.com/product/amd/ryzen_9_6900hx_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before rembrandtpi-fp7_1.0.0.5 - [Ryzen 9 6980hs](https://www.precursorintelligence.com/product/amd/ryzen_9_6980hs) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 9 6980hs Firmware](https://www.precursorintelligence.com/product/amd/ryzen_9_6980hs_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before rembrandtpi-fp7_1.0.0.5 - [Ryzen 9 6980hx](https://www.precursorintelligence.com/product/amd/ryzen_9_6980hx) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 9 6980hx Firmware](https://www.precursorintelligence.com/product/amd/ryzen_9_6980hx_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before rembrandtpi-fp7_1.0.0.5 - [Ryzen 9 7900x3d](https://www.precursorintelligence.com/product/amd/ryzen_9_7900x3d) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 9 7900x3d Firmware](https://www.precursorintelligence.com/product/amd/ryzen_9_7900x3d_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before comboam5_1.0.0.1 - [Ryzen 9 7950x3d](https://www.precursorintelligence.com/product/amd/ryzen_9_7950x3d) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified - [Ryzen 9 7950x3d Firmware](https://www.precursorintelligence.com/product/amd/ryzen_9_7950x3d_firmware) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Operating system): before comboam5_1.0.0.1 ## How do I fix CVE-2021-46758? 1. **Check whether you run it.** Compare your versions with the affected products above. Not sure what you run? Precursor Intelligence can work it out from your public website, or you can pick it from a list. 2. **Apply the vendor’s fix.** Install the update named in the vendor’s advisory. We’ve put the advisory first in the list. 3. **If you can’t patch today.** Follow any mitigation the vendor publishes, and limit who can reach the affected system from the internet until the update is in. 4. **Keep an eye on it.** Track the product and we tell you as soon as we spot this flaw on the list of exploited flaws, or a jump in its exploit likelihood. ### References - [amd.com](https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002) (Vendor advisory) ## Questions ### What is CVE-2021-46758? CVE-2021-46758 is a medium-severity flaw in Ryzen 7 5700g Firmware from Amd, published on 14 November 2023. An attacker has to be physically at the device without logging in, and nobody has to click anything. If it works, the attacker can change data and take it offline. ### How serious is CVE-2021-46758? It scores 6.1 out of 10 on the CVSS severity scale, which is medium. Our risk score for CVE-2021-46758 is 25 out of 100, which is Low. Its action is "Monitor". No sign of exploitation and a low forecast. Patch it in your normal update cycle. ### Is CVE-2021-46758 being exploited? It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 0.3%. That can change at any time, which is why we keep watching. ### Which versions does CVE-2021-46758 affect? For Ryzen 7 5700g Firmware from Amd: before comboam4v2_pi_1.2.0.8. The record lists 122 products in all, each with its versions, under "Who is affected" on this page. ### How do I fix CVE-2021-46758? Install the update the vendor names in its advisory, linked first under "How do I fix" on this page. If you can't patch today, follow the vendor's mitigation and limit who can reach the affected system from the internet. ## Does CVE-2021-46758 affect you? Precursor Intelligence keeps checking for you: - **Tell us what you run.** Pick your software from a list, or let us work it out from your website. - **We match it to every flaw.** Over 400,000 published flaws, checked against your list. - **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it. - **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools. Start free (no card, nothing to install): https://www.precursorintelligence.com/register Book a demo: https://www.precursorintelligence.com/contact