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

1) Input validation error

EUVDB-ID: #VU79664

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

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

External links

http://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.