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: 5.3 [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]
CVE-ID: CVE-2020-27121
CWE-ID: CWE-248
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Cisco Unified Communications Manager IM & Presence Service
How to mitigate CVE-2020-27121
Install updates from vendor's website.
Cisco Unified Communications Manager IM & Presence Service - addressed in versions 12.5.1.13900.18, 12.5.1.13900.19, 12.5.1.14000.50, 14.0.0.95200.4, 14.0.0.98000.868