CVE-2011-5121
The Antivirus component in Comodo Internet Security before 5.3.175888.1227 does not properly...
The Antivirus component in Comodo Internet Security before 5.3.175888.1227 does not properly check whether unspecified X.509 certificates are revoked, which has unknown impact and remote attack vectors.
Exploit likelihood
What each source reports
NVD Score used
The Antivirus component in Comodo Internet Security before 5.3.175888.1227 does not properly check whether unspecified X.509 certificates are revoked, which has unknown impact and remote attack vectors.
- Record
CVE-2011-5121- CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-310
- Updated
- 2026-11-02
CVE List No score
The Antivirus component in Comodo Internet Security before 5.3.175888.1227 does not properly check whether unspecified X.509 certificates are revoked, which has unknown impact and remote attack vectors.
- Record
CVE-2011-5121- Updated
- 2026-11-02
EUVDEUVD-2011-5021 No score
The Antivirus component in Comodo Internet Security before 5.3.175888.1227 does not properly check whether unspecified X.509 certificates are revoked, which has unknown impact and remote attack vectors.
- Record
EUVD-2011-5021- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wqmf-6x65-gjgh No score
The Antivirus component in Comodo Internet Security before 5.3.175888.1227 does not properly...
The Antivirus component in Comodo Internet Security before 5.3.175888.1227 does not properly check whether unspecified X.509 certificates are revoked, which has unknown impact and remote attack vectors.
- Record
GHSA-wqmf-6x65-gjgh- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-5121 is a high vulnerability (CVSS 10.0) in Comodo Internet Security, published August 26, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.22%, the 68th percentile. No source names a fixed version.