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Fencer Vulns
high 8.8

CVE-2019-25016 json

In OpenDoas from 6.6 to 6.8 the users PATH variable was incorrectly inherited by authenticated executions if the authenticating rule allowe…

published 2021-01-28 5 y ago modified 2026-06-17 4 mo ago also EUVD-2019-11469

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.8%
EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

In OpenDoas from 6.6 to 6.8 the users PATH variable was incorrectly inherited by authenticated executions if the authenticating rule allowed the user to execute any command. Rules that only allowed to authenticated user to execute specific commands were not affected by this issue.

Patch / fix

  • doas Alpine 3.10 6.6.1-r0
  • doas Alpine 3.11 6.6.1-r1
  • doas Alpine 3.12 6.6.1-r2
  • doas Alpine 3.24, Alpine 3.23, Alpine 3.22 +9 more 6.8-r1

alpine advisories ALPINE-CVE-2019-25016

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • opendoas Arch Linux 6.8.1-2

arch linux advisories AVG-1504

Exploit prediction

2.82% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/Duncaen/OpenDoas/issues/45 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness
  • CWE-459 Incomplete Cleanup
  • CWE-909 Missing Initialization of Resource

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.