CVE-2019-12633: Cisco Unified Contact Center Express Request Processing Server-Side Request Forgery Vulnerability

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-09-05 · updated 2026-06-17
Weakness: CWE-20

Description

A vulnerability in Cisco Unified Contact Center Express (Unified CCX) could allow an unauthenticated, remote attacker to bypass access controls and conduct a server-side request forgery (SSRF) attack on a targeted system. The vulnerability is due to improper validation of user-supplied input on the affected system. An attacker could exploit this vulnerability by sending the user of the web application a crafted request. If the request is processed, the attacker could access the system and perform unauthorized actions.

Affected products

Cisco Unified Contact Center Express: before 11.6\(2\)es04; 12.0(1) — fixed in 11.6\(2\)es04

How to fix

Upgrade to a fixed version: Cisco Unified Contact Center Express 11.6\(2\)es04. Check the vendor advisory for mitigations.

References

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