CVE-2012-5821

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.81% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 54.3% of scored records. A rank, not a probability.

NVD base score

5.9 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-16.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2012-11-04 22:00Z13 YR AGO

Last updated

2024-08-06 21:21Z2 YR AGO

Reserved

2012-11-04

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-295Improper Certificate ValidationBase

Data version

5.1

Document digest

9fde9539dfe74276951f2c6cae1cef76889f19006afbca8540b850bba172ee42

• wiki.mageia.orghttps://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0351x_refsource_CONFIRM
• www.ubuntu.comUSN-1642-1http://www.ubuntu.com/usn/USN-1642-1vendor-advisoryx_refsource_UBUNTU
• exchange.xforce.ibmcloud.comlynx-ssl-spoofing(79930)https://exchange.xforce.ibmcloud.com/vulnerabilities/79930vdb-entryx_refsource_XF
• www.mandriva.comMDVSA-2013:101http://www.mandriva.com/security/advisories?name=MDVSA-2013:101vendor-advisoryx_refsource_MANDRIVA
• www.cs.utexas.eduhttp://www.cs.utexas.edu/~shmat/shmat_ccs12.pdfx_refsource_MISC