Vulnerability Report

CVE-2012-5821

Title: Lynx

Other

Proof Of Concept

No public PoC currently indexed for CVE-2012-5821.

CWE Category CWE-295
Published Date Nov 04, 2012
Modified Date Jun 16, 2026
Exploit Status Not Found
Score 5.9 CVSS v3.1
Exploit Probability (EPSS)
0.81%

Vulnerability Summary

CVE-2012-5821: 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.

Impacted Vendors

U
university_of_kansas 1
L
lynx_project 1
I
invisible-island 1
L
lynx 1

Reference Links

http://www.cs.utexas.edu/~shmat/shmat_ccs12.pdf http://www.mandriva.com/security/advisories?name=MDVSA-2013:101 http://www.ubuntu.com/usn/USN-1642-1 https://exchange.xforce.ibmcloud.com/vulnerabilities/79930 https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0351 http://www.cs.utexas.edu/~shmat/shmat_ccs12.pdf http://www.mandriva.com/security/advisories?name=MDVSA-2013:101 http://www.ubuntu.com/usn/USN-1642-1 https://exchange.xforce.ibmcloud.com/vulnerabilities/79930 https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0351
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.9
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.8
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:P/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2012-5821 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Stack

No specific products linked.