CVE-2020-0423

Name: CVE-2020-0423
Creator: NVD / NIST
Published: 2020-10-14T14:15:17.28+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.50%

Last modified Jun 17, 2026

CVE-2020-0423 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In binder_release_work of binder.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

Description

In binder_release_work of binder.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-161151868References: N/A

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.50%

39.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Google	Android	All versions
Debian	Debian Linux	9.0

References

https://lists.debian.org/debian-lts-announce/2020/12/msg00015.htmlMailing List, Third Party Advisory
https://source.android.com/security/bulletin/2020-10-01Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.htmlMailing List, Third Party Advisory
https://source.android.com/security/bulletin/2020-10-01Vendor Advisory

Timeline

Published: Oct 14, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-0423?

How severe is CVE-2020-0423?

CVE-2020-0423 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2020-0423?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-0423?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST