CVE-2020-36657

HIGH 7.8CVE-2020-36657 · Published 26/01/2023 · updated 17/06/2026

In short

CVE-2020-36657 is a HIGH (CVSS 7.8) vulnerability affecting uptimed (uptimed project).
Chance of exploitation in the next 30 days (EPSS): 0.41%, higher than 36.0% of all vulnerabilities.
Fix: update to 0.4.6 or later.

Package	Affected versions	Patched versions
uptimed uptimed_project	`< 0.4.6`	`0.4.6`

Description

uptimed before 0.4.6-r1 on Gentoo allows local users (with access to the uptimed user account) to gain root privileges by creating a hard link within the /var/spool/uptimed directory, because there is an unsafe chown -R call.

References

bugs.gentoo.org/630810 · Exploit
security.gentoo.org/glsa/202305-14

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