Information disclosure in Cisco Unified Communications Manager



Published: 2021-04-07
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2021-1406
CWE ID CWE-538
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Cisco Unified Communications Manager Session Management Edition
Server applications / Remote management servers, RDP, SSH

Cisco Unified Communications Manager
Server applications / Remote management servers, RDP, SSH

Vendor

Security Advisory

This security advisory describes one low risk vulnerability.

1) File and Directory Information Exposure

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 - File And Directory Information Exposure

Exploit availability: No

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

Cisco Unified Communications Manager Session Management Edition: before 12.5(1.15900.6), 14.0(1.11900.3)

Cisco Unified Communications Manager: before 12.5(1.15000.23), 12.5(1.32124.2), 14.0(1.11000.1)

CPE External links

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

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.



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