CVE-2024-20253 CRITICAL

CVE-2024-20253

Vendor Cisco
Product Cisco Unified Contact Center Enterprise
Weakness CWE-502 · Unsafe deserialization
Published January 26, 2024
Last update May 29, 2025

CVSS base score

9.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 26, 2024 CVE published
May 29, 2025 Record updated