Improper access control in Unified Communications Manager (CallManager) and Cisco Unified Communications Manager Session Management Edition - CVE-2021-1399

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Main Vulnerability Database Vulnerabilities #VU51967

Improper access control in Unified Communications Manager (CallManager) and Cisco Unified Communications Manager Session Management Edition - CVE-2021-1399

Published: April 7, 2021


Vulnerability identifier: #VU51967
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-1399
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Unified Communications Manager (CallManager)
Cisco Unified Communications Manager Session Management Edition

Detailed vulnerability 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.


How to mitigate CVE-2021-1399

Install updates from vendor's website.

Sources