CVE-2024-20375

Summary

A vulnerability in the SIP call processing function of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper parsing of SIP messages. An attacker could exploit this vulnerability by sending a crafted SIP message to an affected Cisco Unified CM or Cisco Unified CM SME device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition that interrupts the communications of reliant voice and video devices.

Affected Software

VendorProductVersion RangeStatus
CiscoCisco Unified Communications Manager12.0(1)SU1affected
CiscoCisco Unified Communications Manager12.0(1)SU2affected
CiscoCisco Unified Communications Manager12.0(1)SU3affected
CiscoCisco Unified Communications Manager12.0(1)SU4affected
CiscoCisco Unified Communications Manager12.0(1)SU5affected
CiscoCisco Unified Communications Manager12.5(1)affected
CiscoCisco Unified Communications Manager12.5(1)SU1affected
CiscoCisco Unified Communications Manager12.5(1)SU2affected
CiscoCisco Unified Communications Manager12.5(1)SU3affected
CiscoCisco Unified Communications Manager12.5(1)SU4affected
CiscoCisco Unified Communications Manager12.5(1)SU5affected
CiscoCisco Unified Communications Manager12.5(1)SU6affected
CiscoCisco Unified Communications Manager12.5(1)SU7affected
CiscoCisco Unified Communications Manager12.5(1)SU7aaffected
CiscoCisco Unified Communications Manager12.5(1)SU8affected
CiscoCisco Unified Communications Manager12.5(1)SU8aaffected
CiscoCisco Unified Communications Manager14affected
CiscoCisco Unified Communications Manager14SU1affected
CiscoCisco Unified Communications Manager14SU2affected
CiscoCisco Unified Communications Manager14SU3affected
CiscoCisco Unified Communications Manager15affected

Weaknesses

  • CWE-787: Out-of-bounds Write

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References