NULL pointer dereference in Palo Alto PAN-OS - CVE-2020-1995
Published: May 14, 2020
Vulnerability identifier: #VU27901
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-1995
CWE-ID: CWE-476
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 a NULL pointer dereference error in the rasmgr daemon. A remote authenticated administrator can send a specially crafted request to the system, trigger NULL pointer dereference error and cause denial of service to all PAN-OS services by restarting the device and putting it into maintenance mode.
Affected software
Palo Alto PAN-OS
How to mitigate CVE-2020-1995
Install update from vendor's website.
Palo Alto PAN-OS - update to 9.1.2