# What is CVE-2016-4030? > CVE-2016-4030 is a medium-severity flaw (CVSS 6.8) in Galaxy Note 3 from Samsung, published on 13 April 2017. 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 0.5%. If you run an affected version, plan in the vendor’s fix. Canonical page: https://www.precursorintelligence.com/what-is/cve-2016-4030 ## 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:** 45 out of 100 (Medium); action: Plan remediation. Kept up to date as the evidence changes. - **Severity:** Medium (CVSS 6.8 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:** 0.5% (latest exploit-likelihood forecast) - **Published:** 13 April 2017 - **Record last updated:** 20 April 2025 - **Main product:** Galaxy Note 3 from Samsung - **Affected products:** 10 ## What is CVE-2016-4030? 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 read data, change data and take it offline. ### The official description Samsung SM-G920F build G920FXXU2COH2 (Galaxy S6), SM-N9005 build N9005XXUGBOK6 (Galaxy Note 3), GT-I9192 build I9192XXUBNB1 (Galaxy S4 mini), GT-I9195 build I9195XXUCOL1 (Galaxy S4 mini LTE), and GT-I9505 build I9505XXUHOJ2 (Galaxy S4) devices have unintended availability of the modem in USB configuration number 2 within the secure lockscreen state, allowing an attacker to make phone calls, send text messages, or issue commands, aka SVE-2016-5301. ### What kind of flaw is it? - CWE-284: Improper Access Control ### 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 read data, change data and take it offline Severity vector: `CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H` ## Is CVE-2016-4030 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 0.5%. That can change at any time, which is why we keep watching. Exploit likelihood over the last 7 days: 0.5%, 0.5%, 0.5%, 0.5%, 0.5%, 0.5%, 0.5%. ### Timeline - 13 April 2017: Published - 20 April 2025: Record last updated ### How Precursor Intelligence ranks it CVE-2016-4030 scores **45 out of 100 (Medium)**, with the action "Plan remediation". 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-2016-4030? The published record lists 10 products. - [Galaxy Note 3](https://www.precursorintelligence.com/product/samsung/galaxy_note_3) by [Samsung](https://www.precursorintelligence.com/vendors/samsung) (Hardware): version not specified - [Galaxy Note 3 Firmware](https://www.precursorintelligence.com/product/samsung/galaxy_note_3_firmware) by [Samsung](https://www.precursorintelligence.com/vendors/samsung) (Operating system): n9005xxugbob6 - [Galaxy S4](https://www.precursorintelligence.com/product/samsung/galaxy_s4) by [Samsung](https://www.precursorintelligence.com/vendors/samsung) (Hardware): version not specified - [Galaxy S4 Firmware](https://www.precursorintelligence.com/product/samsung/galaxy_s4_firmware) by [Samsung](https://www.precursorintelligence.com/vendors/samsung) (Operating system): i9505xxuhoj2 - [Galaxy S4 Mini](https://www.precursorintelligence.com/product/samsung/galaxy_s4_mini) by [Samsung](https://www.precursorintelligence.com/vendors/samsung) (Hardware): version not specified - [Galaxy S4 Mini Firmware](https://www.precursorintelligence.com/product/samsung/galaxy_s4_mini_firmware) by [Samsung](https://www.precursorintelligence.com/vendors/samsung) (Operating system): i9192xxubnb1 - [Galaxy S4 Mini Lte](https://www.precursorintelligence.com/product/samsung/galaxy_s4_mini_lte) by [Samsung](https://www.precursorintelligence.com/vendors/samsung) (Hardware): version not specified - [Galaxy S4 Mini Lte Firmware](https://www.precursorintelligence.com/product/samsung/galaxy_s4_mini_lte_firmware) by [Samsung](https://www.precursorintelligence.com/vendors/samsung) (Operating system): i9195xxucol1 - [Galaxy S6](https://www.precursorintelligence.com/product/samsung/galaxy_s6) by [Samsung](https://www.precursorintelligence.com/vendors/samsung) (Hardware): version not specified - [Galaxy S6 Firmware](https://www.precursorintelligence.com/product/samsung/galaxy_s6_firmware) by [Samsung](https://www.precursorintelligence.com/vendors/samsung) (Operating system): g920fxxu2coh2 ## How do I fix CVE-2016-4030? 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 latest update from the vendor. The references list where the vendor has published details. 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 - [securityfocus.com](http://www.securityfocus.com/bid/97701) (Third-party advisory, Vulnerability database) - [github.com](https://github.com/ud2/advisories/tree/master/android/samsung/nocve-2016-0004) (Exploit, Technical description, Third-party advisory) ## Questions ### What is CVE-2016-4030? CVE-2016-4030 is a medium-severity flaw in Galaxy Note 3 from Samsung, published on 13 April 2017. An attacker has to be physically at the device without logging in, and nobody has to click anything. If it works, the attacker can read data, change data and take it offline. ### How serious is CVE-2016-4030? It scores 6.8 out of 10 on the CVSS severity scale, which is medium. Our risk score for CVE-2016-4030 is 45 out of 100, which is Medium. Its action is "Plan remediation". No sign of exploitation and a low forecast. Patch it in your normal update cycle. ### Is CVE-2016-4030 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 0.5%. That can change at any time, which is why we keep watching. ### Which versions does CVE-2016-4030 affect? For Galaxy Note 3 from Samsung: version not specified. The record lists 10 products in all, each with its versions, under "Who is affected" on this page. ### How do I fix CVE-2016-4030? Install the update the vendor names in its advisory. If you can't patch today, follow the vendor's mitigation and limit who can reach the affected system from the internet. ## Does CVE-2016-4030 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