Improper access control in Cisco Unified Communications Manager Self Care Portal



Published: 2021-04-07
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2021-1399
CWE ID CWE-284
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Cisco Unified Communications Manager
Server applications / Remote management servers, RDP, SSH

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

Vendor

Security Advisory

This security advisory describes one low risk vulnerability.

1) Improper access control

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 - Improper Access Control

Exploit availability: No

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

Cisco Unified Communications Manager: before 12.5(1)SU4

Cisco Unified Communications Manager Session Management Edition: before 12.5(1)SU4

CPE External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-selfcare-VRWWWHgE
https://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.



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