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Cisco Unified Communications Products Privilege Escalation Vulnerability

cisco-sa-cucm-priv-esc-D8Bky5eg · Medium · Published · Updated

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. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-priv-esc-D8Bky5eg

Workarounds

There are no workarounds that address this vulnerability.

CVEsCVE-2023-20266
Cisco Bug IDsCSCwh30455, CSCwh30442, CSCwh29940
CVSS ScoreBase 6.5
Base 6.5 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/E:X/RL:X/RC:X
Product Names From Source
Cisco Emergency Responder, Cisco Unity Connection, Cisco Unified Communications Manager

CSAF Product Statuses

Product Status Source CVE Rows
Cisco Emergency Responder known_affected cisco_csaf CVE-2023-20266 1
Cisco Unified Communications Manager known_affected cisco_csaf CVE-2023-20266 1
Cisco Unity Connection known_affected cisco_csaf CVE-2023-20266 1

Related Products

Product CVE Evidence
Cisco Emergency Responder CVE-2023-20266 Cisco OpenVuln
Cisco Unified Communications Manager CVE-2023-20266 Cisco OpenVuln
Cisco Unity CVE-2023-20266 Cisco OpenVuln
Cisco Unity Connection CVE-2023-20266 Cisco OpenVuln