CVE-2024-20253
CRITICALCisco Unified Communications - RCE
Title source: llmDescription
A vulnerability in multiple Cisco Unified Communications and Contact Center Solutions products could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to the improper processing of user-provided data that is being read into memory. An attacker could exploit this vulnerability by sending a crafted message to a listening port of an affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with the privileges of the web services user. With access to the underlying operating system, the attacker could also establish root access on the affected device.
Scores
CVSS v3
9.9
EPSS
0.0293
EPSS Percentile
86.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H
Classification
CWE
CWE-502
Status
published
Affected Products (9)
cisco/unified_communications_manager
< 12.5\(1\)su8
cisco/unified_communications_manager
< 14su3
cisco/unified_communications_manager
< 12.5\(1\)su8
cisco/unified_communications_manager_im_and_presence_service
< 12.5\(1\)su8
cisco/unity_connection
< 12.5\(1\)su8
cisco/unified_contact_center_express
cisco/virtualized_voice_browser
cisco/virtualized_voice_browser
cisco/virtualized_voice_browser
Timeline
Published
Jan 26, 2024
Tracked Since
Feb 18, 2026