Critical severity9.8NVD Advisory· Published Aug 25, 2021· Updated Jun 17, 2026

CVE-2021-40084

Description

opensysusers through 0.6 does not safely use eval on files in sysusers.d that may contain shell metacharacters. For example, it allows command execution via a crafted GECOS field whereas systemd-sysusers (a program with the same specification) does not do that.

Affected products

opensysusers/opensysusersdescription
Opensysusers/opensysusersllm-create
Range: <=0.6

Patches

Vulnerability mechanics

References

bugs.debian.org/992058nvdExploitMailing ListThird Party Advisory
github.com/artix-linux/opensysusers/releasesnvdRelease NotesThird Party Advisory

News mentions

No linked articles in our index yet.

cvss	0.637
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000