Improper Check for Unusual or Exceptional Conditions in Palo Alto PAN-OS - CVE-2024-3393
Published: December 27, 2024 / Updated: January 10, 2025
Vulnerability identifier: #VU101970
CSH Severity: High
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-2024-3393
CWE-ID: CWE-754
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling in the DNS Security feature. A remote attacker can send specially crafted DNS packets through the data plane of the firewall and perform a denial of service (DoS) attack.
Note, the vulnerability is being actively exploited in the wild.
Affected software
Palo Alto PAN-OS
How to mitigate CVE-2024-3393
Install update from vendor's website.
Palo Alto PAN-OS - addressed in versions 10.1.14-h8, 10.2.10-h12, 10.2.13-h2, 11.1.5, 11.2.3