Improper Handling of Exceptional Conditions in Palo Alto PAN-OS - CVE-2022-0023
Published: April 13, 2022
Vulnerability identifier: #VU62311
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-0023
CWE-ID: CWE-755
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 exceptional conditions in the DNS proxy feature. A remote attacker can send a specially crafted request to the server and perform a denial of service (DoS) attack.
Affected software
Palo Alto PAN-OS
How to mitigate CVE-2022-0023
Install updates from vendor's website.
Palo Alto PAN-OS - addressed in versions 8.1.22, 9.0.16, 10.0.10, 10.1.5