Security readout for executives and security teams
This is an availability issue in older Cisco Unified Communications Manager systems. A remote attacker could send a SIP INVITE message that causes a service outage. For organizations dependent on CUCM for voice services, the business concern is disruption to calling rather than data theft. Exposure is most likely in legacy CUCM deployments still running affected releases, especially where SIP traffic can reach CUCM from untrusted networks, partners, or poorly segmented voice infrastructure. Treat this as a legacy voice-service continuity risk. It should be remediated during standard vulnerability maintenance unless the affected CUCM is internet-facing, partner-facing, or critical to emergency operations, where priority should increase. Mitigation focus: Upgrade CUCM to Cisco’s fixed release or a later supported version.; Prioritize systems below 6.1(5)su2, 7.1(5b)su3, 8.0(3a)su1, or 8.5(1).; Limit SIP reachability to trusted voice infrastructure where operationally feasible..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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CVE-2011-2562 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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