Cisco Unified Communications Manager 15.0.1.13010-1 hard-coded credentials

Summaryinfo

A vulnerability, which was classified as critical, has been found in Cisco Unified Communications Manager and Unified Communications Manager Session Management Edition 15.0.1.13010-1. This issue affects some unknown processing. Performing a manipulation results in hard-coded credentials. This vulnerability is reported as CVE-2025-20309. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco Unified Communications Manager and Unified Communications Manager Session Management Edition 15.0.1.13010-1. It has been classified as very critical. This affects an unknown functionality. The manipulation with an unknown input leads to a hard-coded credentials vulnerability. CWE is classifying the issue as CWE-798. The product contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, remote attacker to log in to an affected device using the root account, which has default, static credentials that cannot be changed or deleted. This vulnerability is due to the presence of static user credentials for the root account that are reserved for use during development. An attacker could exploit this vulnerability by using the account to log in to an affected system. A successful exploit could allow the attacker to log in to the affected system and execute arbitrary commands as the root user.

The advisory is shared at sec.cloudapps.cisco.com. This vulnerability is uniquely identified as CVE-2025-20309 since 10/10/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. 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 07/05/2025). MITRE ATT&CK project uses the attack technique T1110.001 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 241369 (Cisco Unified Communications Manager (CUCM) Static SSH Credentials (cisco-sa-cucm-ssh-m4UBdpE7)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (241369) and EUVD (EUVD-2025-19749). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Unified Communication Software

Vendor

• Cisco

Name

• Unified Communications Manager
• Unified Communications Manager Session Management Edition

Version

• 15.0.1.13010-1

License

• commercial

Website

• Vendor: https://www.cisco.com/

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion