Cisco Unified Contact Center Express Request Processing Server-Side Request Forgery Vulnerability

published 2019-09-05 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-4224

cvss: 5.3; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.5%; EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

Cisco Cisco Unified Contact Center Express 12.0(1)SU0.1

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 23 mo ago (2024-11-19)

Exploit prediction

1.52% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	5.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:P/A:N

Affected products

Cisco Cisco Unified Contact Center Express

Classification

Weakness

CWE-20 Improper Input Validation
CWE-918 Server-Side Request Forgery

References

tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20190904-unified-ccx-ssrf
vendor-advisory

Sources

CVE List CVE-2019-12633
NVD CVE-2019-12633

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Summary