Cisco Unified Contact Center Express up to UCCX 15.0.1 Web UI unrestricted upload

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.1 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Cisco Unified Contact Center Express and classified as critical. This impacts an unknown function of the component Web UI. This manipulation causes unrestricted upload. This vulnerability is registered as CVE-2025-20375. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.
Details
A vulnerability has been found in Cisco Unified Contact Center Express and classified as critical. Affected by this vulnerability is an unknown part of the component Web UI. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
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.
The advisory is shared at sec.cloudapps.cisco.com. This vulnerability is known as CVE-2025-20375 since 10/10/2024. The exploitation appears to be easy. The attack can be launched remotely. The exploitation requires an enhanced level of successful authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/19/2025). MITRE ATT&CK project uses the attack technique T1608.002 for this issue.
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the databases at EUVD (EUVD-2025-37888) and CERT Bund (WID-SEC-2025-2500). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Affected
- Cisco Unified Contact Center Express (UCCX)
- Cisco Unified Contact Center Enterprise
- Cisco Unified Intelligence Center
Product
Vendor
Name
Version
- 10.5(1)
- 10.5(1)SU1
- 10.5(1)SU1ES10
- 10.6(1)
- 10.6(1)SU1
- 10.6(1)SU2
- 10.6(1)SU2ES04
- 10.6(1)SU3
- 10.6(1)SU3ES01
- 10.6(1)SU3ES02
- 10.6(1)SU3ES03
- 11.0(1)SU1
- 11.0(1)SU1ES02
- 11.0(1)SU1ES03
- 11.5(1)ES01
- 11.5(1)SU1
- 11.5(1)SU1ES01
- 11.5(1)SU1ES02
- 11.5(1)SU1ES03
- 11.6(1)
- 11.6(1)ES01
- 11.6(1)ES02
- 11.6(2)
- 11.6(2)ES01
- 11.6(2)ES02
- 11.6(2)ES03
- 11.6(2)ES04
- 11.6(2)ES05
- 11.6(2)ES06
- 11.6(2)ES07
- 11.6(2)ES08
- 12.0(1)
- 12.0(1)ES01
- 12.0(1)ES02
- 12.0(1)ES03
- 12.0(1)ES04
- 12.5(1)
- 12.5(1)ES01
- 12.5(1)ES02
- 12.5(1)ES03
- 12.5(1)SU1
- 12.5(1)SU2
- 12.5(1)SU3
- 12.5(1)_SU01_ES01
- 12.5(1)_SU01_ES02
- 12.5(1)_SU01_ES03
- 12.5(1)_SU02_ES01
- 12.5(1)_SU02_ES02
- 12.5(1)_SU02_ES03
- 12.5(1)_SU02_ES04
- 12.5(1)_SU03_ES01
- 12.5(1)_SU03_ES02
- 12.5(1)_SU03_ES03
- 12.5(1)_SU03_ES04
- 12.5(1)_SU03_ES05
- 12.5(1)_SU03_ES06
- UCCX 15.0.1
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.1VulDB Meta Temp Score: 6.1
VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 7.2
NVD Vector: 🔒
CNA Base Score: 6.5
CNA Vector (cisco): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Unrestricted uploadCWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Timeline
10/10/2024 CVE reserved11/05/2025 Advisory disclosed
11/05/2025 VulDB entry created
11/19/2025 VulDB entry last update
Sources
Vendor: cisco.comAdvisory: cisco-sa-cc-mult-vuln-gK4TFXSn
Status: Confirmed
CVE: CVE-2025-20375 (🔒)
GCVE (CVE): GCVE-0-2025-20375
GCVE (VulDB): GCVE-100-331285
EUVD: 🔒
CERT Bund: WID-SEC-2025-2500 - Cisco Contact Center Produkte (CCE,CCX,CUIC): Mehrere Schwachstellen
Entry
Created: 11/05/2025 18:04Updated: 11/19/2025 07:14
Changes: 11/05/2025 18:04 (64), 11/05/2025 21:25 (1), 11/18/2025 01:57 (11), 11/19/2025 07:14 (7)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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