CVE-2021-20217

low
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
2.5

Description

A flaw was found in Privoxy in versions before 3.0.31. An assertion failure triggered by a crafted CGI request may lead to denial of service. The highest threat from this vulnerability is to system availability.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-20217

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-202102-21

OS impact

OSVersionStatusFixed in
arch archfixed3.0.31-1
debian debianbookwormfixed3.0.31-1
debian debianbullseyefixed3.0.31-1
debian debianforkyfixed3.0.31-1
debian debiansidfixed3.0.31-1
debian debiantrixiefixed3.0.31-1

References

Verify integrity in audit chain (admin only). AS-IS.