AOL Instant Messenger (AIM) 1.0.1.2 does not verify that the server hostname matches a…
Priority LOW 27CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.0057 47th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2012-5816
- 2026-10-03 Alias added: GHSA-pggj-h2hx-qrp8
References
More AOL Aim vulnerabilities
- TI-2000-01082 Buffer overflow in AOL Instant Messenger (AIM) before 4.3.2229 allows remote attackers to… CVSS 2.0HIGH 7.5
- TI-2005-01792 The GIF parser in ateimg32.dll in AOL Instant Messenger (AIM) 5.9.3797 and earlier allows… CVSS 3.1HIGH 7.5
Sources
- CVE-2012-5816 · CVE Program
- CVE-2012-5816 · NVD
- FIRST EPSS
- GHSA-pggj-h2hx-qrp8 · GitHub Advisory Database · CC BY 4.0
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