CVE-2020-0466

Name: CVE-2020-0466
Creator: NVD / NIST
Published: 2020-12-14T22:15:14.287+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.27%

Last modified Jun 17, 2026

CVE-2020-0466 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In do_epoll_ctl and ep_loop_check_proc of eventpoll.c, there is a possible use after free due to a logic error. This could lead to local escalation of privilege with no additional execution privileges needed. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

Description

In do_epoll_ctl and ep_loop_check_proc of eventpoll.c, there is a possible use after free due to a logic error. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-147802478References: Upstream kernel

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

0.27%

18.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Google	Android	All versions

References

https://source.android.com/security/bulletin/2020-12-01Patch, Vendor Advisory
https://source.android.com/security/bulletin/2020-12-01Patch, Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2020-0466?

How severe is CVE-2020-0466?

CVE-2020-0466 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.

How do I fix CVE-2020-0466?

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-2020-0466?

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

Scan your code now

Source: NVD / NIST