Security readout for executives and security teams
CVE-2009-3704 is a remote crash issue in ZoIPer 2.22, and possibly other builds before 2.24 Library 5324. A malformed SIP invitation can make the client fail, disrupting voice service for affected users. The record does not show data theft, code execution, or confirmed active exploitation. Exposure is most relevant where legacy ZoIPer clients are still deployed and accept SIP traffic from untrusted or loosely controlled networks. Modern environments are unlikely to be affected unless old ZoIPer versions remain in use. Treat this as a legacy availability risk. Prioritize only if old ZoIPer clients support business-critical voice workflows or are reachable from untrusted SIP sources. It is not supported by the provided evidence as a current emergency. Mitigation focus: Inventory ZoIPer installations and identify any 2.22 or pre-2.24 Library 5324 builds.; Check ZoIPer or vendor guidance for supported fixed versions.; Retire or upgrade legacy affected clients where found..
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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CVE-2009-3704 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
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
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
- zoiper-sipinvite-dos(53792)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
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