CVE-2023-20266
MEDIUMCisco Emergency Responder, Unified CM, Unity Connection - Privilege Escalation via Crafted Upgrade File
Title source: llmDescription
A vulnerability in Cisco Emergency Responder, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection could allow an authenticated, remote attacker to elevate privileges to root on an affected device. This vulnerability exists because the application does not properly restrict the files that are being used for upgrades. An attacker could exploit this vulnerability by providing a crafted upgrade file. A successful exploit could allow the attacker to elevate privileges to root. To exploit this vulnerability, the attacker must have valid platform administrator credentials on an affected device.
References (1)
Core 1
Core References
Scores
CVSS v3
6.5
EPSS
0.0007
EPSS Percentile
21.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-269
CWE-347
Status
published
Products (9)
cisco/emergency_responder
12.5.1su4
cisco/emergency_responder
12.5.1su8a
cisco/emergency_responder
14su3
cisco/unified_communications_manager
12.5.1su8 (2 CPE variants)
cisco/unity_connection
12.5\(1\)su6
cisco/unity_connection
12.5\(1\)su7
cisco/unity_connection
12.5\(1\)su8
cisco/unity_connection
14su2
cisco/unity_connection
14su3
Published
Aug 30, 2023
Tracked Since
Feb 18, 2026