CVE-2020-1995: PAN-OS: Management server rasmgr denial of service

Severity: medium (CVSS 4.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-05-13 · updated 2026-06-17
Weakness: CWE-476

Description

A NULL pointer dereference vulnerability in Palo Alto Networks PAN-OS allows an authenticated administrator to send a request that causes the rasmgr daemon to crash. Repeated attempts to send this request result in denial of service to all PAN-OS services by restarting the device and putting it into maintenance mode. This issue affects: PAN-OS 9.1 versions earlier than 9.1.2.

Affected products

Palo Alto Networks PAN-OS: from 9.1.0 before 9.1.2 — fixed in 9.1.2
Palo Alto Networks PAN-OS: from 9.1 before 9.1.2 — fixed in 9.1.2

How to fix

Upgrade to a fixed version: Palo Alto Networks PAN-OS 9.1.2; Palo Alto Networks PAN-OS 9.1.2. Check the vendor advisory for mitigations.

References

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