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CVE-2012-5816

AOL Instant Messenger (AIM) 1.0.1.2 does not verify that the server hostname matches a domain...

5.8 Medium

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.

What does this mean?
Severity
5.8 MediumCVSS 2.0, NVD
Exploit chance
0.57%EPSS, 47th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

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

0.57%Down 0.3 points since Feb 4, 2022
90%50%10%1%

Affected products

What each source reports

NVD Score used5.8

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 MediumAV:N/AC:M/Au:N/C:P/I:P/A:N
Weakness
CWE-20
Updated
2026-11-02
CVE ListNo 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-2012-5696No 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-qrp8No 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

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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