# What is CVE-2019-5252? > CVE-2019-5252 is a low-severity flaw (CVSS 3.5) in Honor 8x from Huawei, published on 14 December 2019. 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 0.2%. If you run an affected version, plan in the vendor’s fix. Canonical page: https://www.precursorintelligence.com/what-is/cve-2019-5252 ## 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:** 15 out of 100 (Info); action: Track. Kept up to date as the evidence changes. - **Severity:** Low (CVSS 3.5 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:** 0.2% (latest exploit-likelihood forecast) - **Published:** 14 December 2019 - **Record last updated:** 27 December 2019 - **Main product:** Honor 8x from Huawei - **Affected products:** 12 ## What is CVE-2019-5252? 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 some data and change some data. ### The official description There is an improper authentication vulnerability in Huawei smartphones (Y9, Honor 8X, Honor 9 Lite, Honor 9i, Y6 Pro). The applock does not perform a sufficient authentication in a rare condition. Successful exploit could allow the attacker to use the application locked by applock in an instant. ### What kind of flaw is it? - CWE-287: Improper Authentication ### 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 some data and change some data Severity vector: `CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N` ## Is CVE-2019-5252 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 0.2%. That can change at any time, which is why we keep watching. Exploit likelihood over the last 7 days: 0.2%, 0.2%, 0.2%, 0.2%, 0.2%, 0.2%, 0.2%. ### Timeline - 14 December 2019: Published - 27 December 2019: Record last updated ### How Precursor Intelligence ranks it CVE-2019-5252 scores **15 out of 100 (Info)**, with the action "Track". 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-2019-5252? The published record lists 12 products. Versions are as published: "before 9.1.0.217(c00e15r3p2t8)" means every version up to, but not including, 9.1.0.217(c00e15r3p2t8). - [Honor 8x](https://www.precursorintelligence.com/product/huawei/honor_8x) by [Huawei](https://www.precursorintelligence.com/vendors/huawei) (Hardware): version not specified - [Honor 8x Firmware](https://www.precursorintelligence.com/product/huawei/honor_8x_firmware) by [Huawei](https://www.precursorintelligence.com/vendors/huawei) (Operating system): before 9.1.0.217(c00e15r3p2t8), before 9.1.0.237(c432e1r3p2t8), before 9.1.0.237(c636e2r4p1t8) - [Honor 9 Lite Firmware](https://www.precursorintelligence.com/product/huawei/honor_9_lite_firmware) by [Huawei](https://www.precursorintelligence.com/vendors/huawei) (Operating system): before 9.1.0.124(c00e112r2p10t8), before 9.1.0.136(c636e5r1p5t8) - [Honor 9i Firmware](https://www.precursorintelligence.com/product/huawei/honor_9i_firmware) by [Huawei](https://www.precursorintelligence.com/vendors/huawei) (Operating system): before 9.1.0.115(c00e113r1p6t8), before 9.1.0.122(c636e4r1p4t8) - [Enjoy 8 Plus](https://www.precursorintelligence.com/product/huawei/enjoy_8_plus) by [Huawei](https://www.precursorintelligence.com/vendors/huawei) (Hardware): version not specified - [Enjoy 8 Plus Firmware](https://www.precursorintelligence.com/product/huawei/enjoy_8_plus_firmware) by [Huawei](https://www.precursorintelligence.com/vendors/huawei) (Operating system): before 9.1.0.124(c00e112r1p6t8) - [Honor 9 Lite](https://www.precursorintelligence.com/product/huawei/honor_9_lite) by [Huawei](https://www.precursorintelligence.com/vendors/huawei) (Hardware): version not specified - [Honor 9i](https://www.precursorintelligence.com/product/huawei/honor_9i) by [Huawei](https://www.precursorintelligence.com/vendors/huawei) (Hardware): version not specified - [Y6 Pro](https://www.precursorintelligence.com/product/huawei/y6_pro) by [Huawei](https://www.precursorintelligence.com/vendors/huawei) (Hardware): version not specified - [Y6 Pro Firmware](https://www.precursorintelligence.com/product/huawei/y6_pro_firmware) by [Huawei](https://www.precursorintelligence.com/vendors/huawei) (Operating system): before 9.1.0.248(c636e5r3p1) - [Y9](https://www.precursorintelligence.com/product/huawei/y9) by [Huawei](https://www.precursorintelligence.com/vendors/huawei) (Hardware): version not specified - [Y9 Firmware](https://www.precursorintelligence.com/product/huawei/y9_firmware) by [Huawei](https://www.precursorintelligence.com/vendors/huawei) (Operating system): before 9.1.0.131(c432e6r1p5t8) ## How do I fix CVE-2019-5252? 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 - [huawei.com](https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191204-01-smartphone-en) (Vendor advisory) ## Questions ### What is CVE-2019-5252? CVE-2019-5252 is a low-severity flaw in Honor 8x from Huawei, published on 14 December 2019. 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 some data and change some data. ### How serious is CVE-2019-5252? It scores 3.5 out of 10 on the CVSS severity scale, which is low. Our risk score for CVE-2019-5252 is 15 out of 100, which is Info. Its action is "Track". No sign of exploitation and a low forecast. Patch it in your normal update cycle. ### Is CVE-2019-5252 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 0.2%. That can change at any time, which is why we keep watching. ### Which versions does CVE-2019-5252 affect? For Honor 8x from Huawei: version not specified. The record lists 12 products in all, each with its versions, under "Who is affected" on this page. ### How do I fix CVE-2019-5252? 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-2019-5252 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