Cisco Unified Contact Center Express API/HTTP client-side enforcement of server-side security

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco Unified Contact Center Express and Unified Intelligence Center. It has been classified as critical. Affected by this vulnerability is an unknown functionality of the component API/HTTP. The manipulation leads to client-side enforcement of server-side security. This vulnerability is documented as CVE-2025-20113. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cisco Unified Contact Center Express and Unified Intelligence Center (unknown version). This issue affects an unknown code block of the component API/HTTP. The manipulation with an unknown input leads to a client-side enforcement of server-side security vulnerability. Using CWE to declare the problem leads to CWE-602. The product is composed of a server that relies on the client to implement a mechanism that is intended to protect the server. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in Cisco Unified Intelligence Center could allow an authenticated, remote attacker to elevate privileges to Administrator for a limited set of functions on an affected system. This vulnerability is due to insufficient server-side validation of user-supplied parameters in API or HTTP requests. An attacker could exploit this vulnerability by submitting a crafted API or HTTP request to an affected system. A successful exploit could allow the attacker to access, modify, or delete data beyond the sphere of their intended access level, including obtaining potentially sensitive information stored in the system.

The advisory is shared at sec.cloudapps.cisco.com. The identification of this vulnerability is CVE-2025-20113 since 10/10/2024. The exploitation is known to be easy. The attack may be initiated remotely. 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 07/22/2025).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-16020). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.1
CNA Vector (cisco): 🔍

CVSSv2info

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

Exploitinginfo

Class: Client-side enforcement of server-side security
CWE: CWE-602
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 🔍
05/21/2025 +223 days 🔍
05/21/2025 +0 days 🔍
07/22/2025 +62 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-cuis-priv-esc-3Pk96SU4
Status: Confirmed

CVE: CVE-2025-20113 (🔍)
GCVE (CVE): GCVE-0-2025-20113
GCVE (VulDB): GCVE-100-309881
EUVD: 🔍

Entryinfo

Created: 05/21/2025 19:00
Updated: 07/22/2025 18:36
Changes: 05/21/2025 19:00 (62), 05/21/2025 19:19 (1), 07/22/2025 18:36 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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