CVE-2021-38165

Published: Aug 7, 2021Modified: Jun 17, 2026

5.3

Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Exploitability: 1.6 / Impact: 3.6

Source: NVD

Description

Lynx through 2.8.9 mishandles the userinfo subcomponent of a URI, which allows remote attackers to discover cleartext credentials because they may appear in SNI data.

Affected (6)

Products: Lynx Project: Lynx · Debian: Debian Linux · Fedoraproject: Fedora

1 product

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Lynx Project Lynx	Up to 2.8.9

Configuration B

2 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 10.0
Debian Debian Linux	Version 9.0

Configuration C

3 vulnerable

Vulnerable Software	Affected Versions
Fedoraproject Fedora	Version 33
Fedoraproject Fedora	Version 34
Fedoraproject Fedora	Version 35

Related CWEs

CWE-522

Insufficiently Protected Credentials

The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.

References (26)

http://www.openwall.com/lists/oss-security/2021/08/07/11

Source: cve@mitre.org

Mailing ListThird Party Advisory

http://www.openwall.com/lists/oss-security/2021/08/07/12

Source: cve@mitre.org

Mailing ListThird Party Advisory

http://www.openwall.com/lists/oss-security/2021/08/07/9

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://bugs.debian.org/991971

Source: cve@mitre.org

Issue TrackingThird Party Advisory

https://github.com/w3c/libwww/blob/f010b4cc58d32f34b162f0084fe093f7097a61f0/Library/src/HTParse.c#L118

Source: cve@mitre.org

Third Party Advisory

https://lists.debian.org/debian-lts-announce/2021/08/msg00010.html

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7YMUHFJJWTZ6HBHTYXVDPNZINGGURHDW/

Source: cve@mitre.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K6PZF7JNTFCOJ62HXZG4Q2NEHSZ6IO2V/

Source: cve@mitre.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VKNK7GQBJBUBMJVNKVC7RTCYWUYMFJQW/

Source: cve@mitre.org

https://lynx.invisible-island.net/current/CHANGES.html

Source: cve@mitre.org

Release NotesThird Party Advisory

https://www.debian.org/security/2021/dsa-4953

Source: cve@mitre.org

Third Party Advisory

https://www.openwall.com/lists/oss-security/2021/08/07/1

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://www.openwall.com/lists/oss-security/2021/08/07/11

Source: cve@mitre.org

Mailing List

http://www.openwall.com/lists/oss-security/2021/08/07/11