CVE-2023-20232
A vulnerability in the Tomcat implementation for Cisco Unified Contact Center Express (Unified CCX) could allow an unauthenticated, remote…
- 5.3MediumCVSS base score
- 0.55%Exploitation in 30 daysEPSS · top 54% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
A vulnerability in the Tomcat implementation for Cisco Unified Contact Center Express (Unified CCX) could allow an unauthenticated, remote attacker to cause a web cache poisoning attack on an affected device. This vulnerability is due to improper input validation of HTTP requests. An attacker could exploit this vulnerability by sending crafted HTTP requests to a specific API endpoint on the Unified CCX Finesse Portal. A successful exploit could allow the attacker to cause the internal WebProxy to redirect users to an attacker-controlled host.
Timeline
ID reserved
By cisco
- 10 months later
· 10 months later
Published
- 12 months later
· 12 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ciscoCNA (assigner) | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| NVDNVD · Modified | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.55% · top 54% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Affected products
Cisco · Cisco Unified Contact Center Express
- affected 8.5(1)
- affected 9.0(2)SU3ES04
- affected 10.0(1)SU1
- affected 10.0(1)SU1ES04
- affected 10.5(1)
- affected 10.5(1)SU1
- affected 10.5(1)SU1ES10
- affected 10.6(1)
- affected 10.6(1)SU1
- affected 10.6(1)SU3
- affected 10.6(1)SU2
- affected 10.6(1)SU3ES03
- affected 10.6(1)SU2ES04
- affected 10.6(1)SU3ES02
- affected 10.6(1)SU3ES01
- affected 11.0(1)SU1
- affected 11.0(1)SU1ES03
- affected 11.0(1)SU1ES02
- affected 11.5(1)SU1
- affected 11.5(1)SU1ES02
- affected 11.5(1)SU1ES01
- affected 11.5(1)SU1ES03
- affected 11.5(1)ES01
- affected 12.0(1)
- affected 12.0(1)ES01
- affected 12.0(1)ES03
- affected 12.0(1)ES04
- affected 12.0(1)ES02
- affected 12.5(1)
- affected 12.5(1)SU1
- affected 12.5(1)SU2
- affected 12.5(1)SU3
- affected 12.5(1)_SU01_ES03
- affected 12.5(1)ES03
- affected 12.5(1)_SU01_ES01
- affected 12.5(1)_SU02_ES02
- affected 12.5(1)_SU01_ES02
- affected 12.5(1)_SU02_ES03
- affected 12.5(1)ES01
- affected 12.5(1)_SU02_ES01
- and 15 more
What to do
Exploitation: The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
References
References1
- cisco-sa-uccx-wcp-JJeqDT3S (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-24411 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-20232)Record last updated .