CVE-2021-20273

HIGH 7.5CVE-2021-20273 · Published 09/03/2021 · updated 17/06/2026

In short

CVE-2021-20273 is a HIGH (CVSS 7.5) vulnerability affecting privoxy (privoxy).
Chance of exploitation in the next 30 days (EPSS): 2.0%, higher than 80.3% of all vulnerabilities.
Fix: update to 3.0.32 or later.

Package	Affected versions	Patched versions
privoxy privoxy	`< 3.0.32`	`3.0.32`

A flaw was found in privoxy before 3.0.32. A crash can occur via a crafted CGI request if Privoxy is toggled off.

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Package

Affected versions

Patched versions

< 3.0.32

3.0.32

More vulnerabilities in privoxy

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