CVE-2021-20217

Upstream information

CVE-2021-20217 at MITRE

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.

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SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores

CVSS detail	National Vulnerability Database
Base Score	7.8
Vector	AV:N/AC:L/Au:N/C:N/I:N/A:C
Access Vector	Network
Access Complexity	Low
Authentication	None
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	Complete

CVSS v3 Scores

CVSS detail	National Vulnerability Database
Base Score	7.5
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	High
CVSSv3 Version	3.1

SUSE Bugzilla entry: 1181650 [RESOLVED / FIXED]

SUSE Security Advisories:

• openSUSE-SU-2021:0265-1, published Tue Feb 16 10:27:50 2021
• openSUSE-SU-2021:0279-1, published Tue Feb 16 10:27:50 2021

List of released packages

Product(s)	Fixed package version(s)	References
SUSE Package Hub 15 SP2	privoxy >= 3.0.31-bp152.4.6.1 privoxy-doc >= 3.0.31-bp152.4.6.1	Patchnames: openSUSE-2021-279
openSUSE Leap 15.2	privoxy >= 3.0.31-lp152.3.6.1 privoxy-doc >= 3.0.31-lp152.3.6.1	Patchnames: openSUSE-2021-265
openSUSE Tumbleweed	privoxy >= 3.0.32-2.3 privoxy-doc >= 3.0.32-2.3	Patchnames: openSUSE-Tumbleweed-2024-11193

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SUSE Timeline for this CVE

CVE page created: Tue Feb 2 10:02:46 2021
CVE page last modified: Sat Nov 1 22:19:26 2025