Resource exhaustion in Cisco Identity Services Engine (ISE) - CVE-2022-20937
Published: November 2, 2022
Vulnerability identifier: #VU68957
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-20937
CWE-ID: CWE-400
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 application does not properly control consumption of internal resources in a feature that monitors RADIUS requests. A remote attacker can send specially crafted RADIUS traffic, trigger resource exhaustion and perform a denial of service (DoS) attack.
Affected software
Cisco Identity Services Engine (ISE)
How to mitigate CVE-2022-20937
Install updates from vendor's website.
Cisco Identity Services Engine (ISE) - addressed in versions 2.7P8, 3.0P6, 3.1P4