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

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco Unified Contact Center Express. It has been declared as critical. Affected by this issue is some unknown functionality of the component Web UI. Executing a manipulation can lead to unrestricted upload. This vulnerability appears as CVE-2025-20376. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco Unified Contact Center Express. It has been declared as critical. This vulnerability affects some unknown processing 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. CVE summarizes:

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 file upload mechanisms. An attacker could exploit this vulnerability by uploading a malicious file to the web UI and executing it. A successful exploit could allow the attacker to execute arbitrary commands on the underlying system and elevate privileges to root. To exploit this vulnerability, the attacker must have valid administrative credentials.

The advisory is shared for download at sec.cloudapps.cisco.com. This vulnerability was named CVE-2025-20376 since 10/10/2024. The exploitation appears to be easy. The attack can be initiated remotely. Additional levels of successful authentication are necessary for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/19/2025). The MITRE ATT&CK project declares the attack technique as T1608.002.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2025-37889) and CERT Bund (WID-SEC-2025-2500). VulDB is the best source for vulnerability data and more expert information about this specific topic.

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-2025-20376 (🔒)
GCVE (CVE): GCVE-0-2025-20376
GCVE (VulDB): GCVE-100-331288
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 04:18 (11), 11/19/2025 07:14 (7)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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