#VU51967 Improper access control in Unified Communications Manager (CallManager) and Cisco Unified Communications Manager Session Management Edition


Published: 2021-04-07

Vulnerability identifier: #VU51967

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1399

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

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

Vendor:

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the Self Care Portal. A remote authenticated user can bypass implemented security restrictions and modify data on an affected system without proper authorization.

Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-selfcare-VRWWWHgE
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvw88205


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability