CVE-2020-3267: cisco cisco unified contact center express Improper Authorization

Vulnerability summary

CVE-2020-3267 is a high (CVSS 7.1) Improper Authorization vulnerability in cisco cisco unified contact center express. EPSS estimates a 0.81% chance of exploitation in the next 30 days, higher than 55.9% of scored vulnerabilities.

Timeline

1. 03-06-2020
   PublishedVulnerability first disclosed.
2. 15-11-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability in the API subsystem of Cisco Unified Contact Center Express (Unified CCX) could allow an authenticated, remote attacker to change the availability state of any agent. The vulnerability is due to insufficient authorization enforcement on an affected system. An attacker could exploit this vulnerability by authenticating to an affected system with valid agent credentials and performing a specific API call with crafted input. A successful exploit could allow the attacker to change the availability state of an agent, potentially causing a denial of service condition.

• CWE-285Improper AuthorizationThe product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
• CWE-552Files or Directories Accessible to External PartiesThe product makes files or directories accessible to unauthorized actors, even though they should not be.