CVE-2020-16127

Public Exploit
accountsservice .pam_environment infinite loop

Description

An Ubuntu-specific modification to AccountsService in versions before 0.6.55-0ubuntu13.2, among other earlier versions, would perform unbounded read operations on user-controlled ~/.pam_environment files, allowing an infinite loop if /dev/zero is symlinked to this location.

Categories

2.8
CVSS
Severity: Low
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.02%
Third-Party Advisory github.com
Affected: Freedesktop accountsservice
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2020-16127?
CVE-2020-16127 has been scored as a low severity vulnerability.
How to fix CVE-2020-16127?
To fix CVE-2020-16127, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-16127 being actively exploited in the wild?
It is possible that CVE-2020-16127 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-16127?
CVE-2020-16127 affects Freedesktop accountsservice.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.