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

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

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.

Detailsinfo

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

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB 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): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: 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: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/10/2024 CVE reserved
11/05/2025 +391 days Advisory disclosed
11/05/2025 +0 days VulDB entry created
11/19/2025 +14 days VulDB entry last update

Sourcesinfo

Vendor: cisco.com

Advisory: 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

Entryinfo

Created: 11/05/2025 18:04
Updated: 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

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