Security readout for executives and security teams
This CVE affects an old Nortel SIP softphone client. A specially malformed SIP message could trigger a buffer overflow and potentially let a remote attacker run code on the affected client. The sources do not provide a CVSS score, fixed version, or current exploit evidence. Exposure is likely limited to environments still running Nortel PC Client SIP Soft Phone 4.1 build 3.5.208[20051015] or inherited VoIP endpoints based on it. The bundle does not name other affected products, CPEs, or fixed releases. Prioritize this if legacy Nortel SIP softphone clients remain in use, especially on networks receiving untrusted SIP traffic. Business urgency is driven by remote code execution potential, but evidence is incomplete on patch availability and exploitation in the wild. Mitigation focus: Identify any Nortel PC Client SIP Soft Phone 4.1 deployments.; Check vendor or maintainer guidance for fixed versions or retirement advice.; Restrict SIP signaling to trusted servers and networks where feasible..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Execution behavior lookup
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Open ATT&CK lookupCVE-2007-3438 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
Products and packages named in the record
CWE details
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