Web cache poisoning attack in Cisco Unified Contact Center Express Finesse Portal



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-20232
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Cisco Unified Contact Center Enterprise
Server applications / Conferencing, Collaboration and VoIP solutions

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU79664

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-20232

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a web cache poisoning attack.

The vulnerability exists due to insufficient validation of user-supplied input when handling HTTP requests in the Tomcat implementation. A remote attacker can send specially crafted HTTP requests to the application and perform a web cache poisoning attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Unified Contact Center Enterprise: before 12.5.1 SU03 ES02

CPE2.3 External links

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-uccx-wcp-JJeqDT3S


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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