CVE-2025-20375Cisco Unified Contact Center Express Arbitrary File Upload Vulnerability
- 6.5MediumCVSS base score
- 0.39%Exploitation in 30 daysEPSS · top 66% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
A vulnerability in the web UI of Cisco Unified CCX could allow an authenticated, remote attacker to upload and execute arbitrary files. This vulnerability is due to an insufficient input validation associated to specific UI features. An attacker could exploit this vulnerability by uploading a crafted file to the web UI. A successful exploit could allow the attacker to upload arbitrary files to a vulnerable system and execute them, gaining access to the underlying operating system. To exploit this vulnerability, the attacker must have valid administrative credentials.
Timeline
ID reserved
By cisco
- 13 months later
· 13 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 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N |
| NVDNVD · Analyzed | 3.1 | High7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.39% · top 66% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Affected products
Cisco · Cisco Unified Contact Center Express
- affected 10.5(1)SU1
- affected 10.6(1)
- affected 11.6(1)
- affected 10.6(1)SU1
- affected 10.6(1)SU3
- affected 11.6(2)
- affected 12.0(1)
- affected 11.0(1)SU1
- affected 11.5(1)SU1
- affected 10.5(1)
- affected 12.5(1)
- affected 12.5(1)SU1
- affected 12.5(1)SU2
- affected 12.5(1)SU3
- affected 12.5(1)_SU03_ES01
- affected 12.5(1)_SU03_ES02
- affected 12.5(1)_SU02_ES03
- affected 12.5(1)_SU02_ES04
- affected 12.5(1)_SU02_ES02
- affected 12.5(1)_SU01_ES02
- affected 12.5(1)_SU01_ES03
- affected 12.5(1)_SU02_ES01
- affected 11.6(2)ES07
- affected 11.6(2)ES08
- affected 12.5(1)_SU01_ES01
- affected 12.0(1)ES04
- affected 12.5(1)ES02
- affected 12.5(1)ES03
- affected 11.6(2)ES06
- affected 12.5(1)ES01
- affected 12.0(1)ES03
- affected 12.0(1)ES01
- affected 11.6(2)ES05
- affected 12.0(1)ES02
- affected 11.6(2)ES04
- affected 11.6(2)ES03
- affected 11.6(2)ES02
- affected 11.6(2)ES01
- affected 10.6(1)SU3ES03
- affected 11.0(1)SU1ES03
- and 17 more
What to do
Exploitation: The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.
References
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-2025-37888 (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-2025-20375)Record last updated .