VAR-201308-0226
Vulnerability from variot - Updated: 2025-04-11 22:53Cisco Unified Communications Manager (Unified CM) 8.5(x) and 8.6(x) before 8.6(2a)su3 and 9.x before 9.1(1) does not properly restrict the rate of SIP packets, which allows remote attackers to cause a denial of service (memory and CPU consumption, and service disruption) via a flood of UDP packets to port 5060, aka Bug ID CSCub35869. Cisco Unified Communications Manager is prone to a denial-of-service vulnerability. Attackers can exploit this issue to cause a denial of service condition. This issue is being tracked by Cisco Bug ID CSCub35869. This component provides a scalable, distributed and highly available enterprise IP telephony call processing solution. The following versions are affected: Cisco Unified CM 8.5(x) and 8.6(2a) su3 prior to 8.6(x), 9.x prior to 9.1(1)
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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