Vulnerability identifier: #VU51965

Vulnerability risk: Low

CVSSv3.1: 2.4 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1406

CWE-ID: CWE-538

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco Unified Communications Manager Session Management Edition
Server applications / Remote management servers, RDP, SSH
Unified Communications Manager (CallManager)
Server applications / Remote management servers, RDP, SSH

Vendor:

Description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to improper inclusion of sensitive information in downloadable files. A remote authenticated user can issue a set of commands to obtain hashed credentials of system users.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-inf-disc-wCxZNjL2
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvv21048

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.