Uncaught Exception in Cisco Unified Communications Manager IM & Presence Service - CVE-2020-27121

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Main Vulnerability Database Vulnerabilities #VU48152

Uncaught Exception in Cisco Unified Communications Manager IM & Presence Service - CVE-2020-27121

Published: November 5, 2020


Vulnerability identifier: #VU48152
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-27121
CWE-ID: CWE-248
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco Unified Communications Manager IM & Presence Service

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper handling of login requests. A remote authenticated attacker can send a specially crafted client login request and cause a denial of service condition on the target system.


How to mitigate CVE-2020-27121

Install updates from vendor's website.

Sources