CVE-2012-5816
AOL Instant Messenger (AIM) 1.0.1.2 does not verify that the server hostname matches a domain...
AOL Instant Messenger (AIM) 1.0.1.2 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
Exploit likelihood
What each source reports
NVD Score used
AOL Instant Messenger (AIM) 1.0.1.2 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
- Record
CVE-2012-5816- CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
AOL Instant Messenger (AIM) 1.0.1.2 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
- Record
CVE-2012-5816- Updated
- 2026-11-02
EUVDEUVD-2012-5696 No score
AOL Instant Messenger (AIM) 1.0.1.2 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
- Record
EUVD-2012-5696- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pggj-h2hx-qrp8 No score
AOL Instant Messenger (AIM) 1.0.1.2 does not verify that the server hostname matches a domain...
AOL Instant Messenger (AIM) 1.0.1.2 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
- Record
GHSA-pggj-h2hx-qrp8- Weakness
- CWE-20
- 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-2012-5816 is a medium vulnerability (CVSS 5.8) in Aol Aim, published November 4, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.57%, the 47th percentile. No source names a fixed version.