CVE-2012-5821

5.9 MEDIUM
Published: November 04, 2012 Modified: April 29, 2026
View on NVD

Description

Lynx does not verify that the server's certificate is signed by a trusted certification authority, which allows man-in-the-middle attackers to spoof SSL servers via a crafted certificate, related to improper use of a certain GnuTLS function.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.ubuntu.com/usn/USN-1642-1
Source: cve@mitre.org
Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/79930
Source: cve@mitre.org
Third Party Advisory VDB Entry
https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0351
Source: cve@mitre.org
Third Party Advisory
http://www.cs.utexas.edu/~shmat/shmat_ccs12.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit
http://www.mandriva.com/security/advisories?name=MDVSA-2013:101
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://www.ubuntu.com/usn/USN-1642-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/79930
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0351
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

10 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.9 / 10.0
EPSS (Exploit Probability)
0.2%
47th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

canonical lynx