CVE Vulnerabilities

CVE-2023-20266

Improper Verification of Cryptographic Signature

Published: Aug 30, 2023 | Modified: Nov 21, 2024
CVSS 3.x
7.2
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
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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.

Weakness

The product does not verify, or incorrectly verifies, the cryptographic signature for data.

Affected Software

NameVendorStart VersionEnd Version
Emergency_responderCisco12.5.1su4 (including)12.5.1su4 (including)
Emergency_responderCisco12.5.1su8a (including)12.5.1su8a (including)
Emergency_responderCisco14su3 (including)14su3 (including)
Unified_communications_managerCisco12.5.1su8 (including)12.5.1su8 (including)
Unity_connectionCisco12.5(1)su6 (including)12.5(1)su6 (including)
Unity_connectionCisco12.5(1)su7 (including)12.5(1)su7 (including)
Unity_connectionCisco12.5(1)su8 (including)12.5(1)su8 (including)
Unity_connectionCisco14su2 (including)14su2 (including)
Unity_connectionCisco14su3 (including)14su3 (including)

References