CVE-2020-1996 PAN-OS: Panorama management server log injection
Remote unauthenticated attackers can inject messages into Panorama logs to obfuscate attacks or fabricate entries, requiring upgrades to secure versions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-1996?
CVE-2020-1996 is a medium-severity missing authorization vulnerability in Paloaltonetworks Pan-Os, published on 13 May 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A missing authorization vulnerability in the management server component of PAN-OS Panorama allows a remote unauthenticated user to inject messages into the management server ms.log file. This vulnerability can be leveraged to obfuscate an ongoing attack or fabricate log entries in the ms.log file This issue affects: All versions of PAN-OS 7.1 and 8.0; PAN-OS 8.1 versions earlier than 8.1.14; PAN-OS 9.0 versions earlier than 9.0.9.
Weakness: CWE-862
Which versions are affected by CVE-2020-1996?
It affects 1 product.
Products include Paloaltonetworks Pan-Os.
How do I fix CVE-2020-1996?
No fix has been published for CVE-2020-1996 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2020-1996 being exploited?
There is no known exploitation of CVE-2020-1996 in the wild and no public exploit code.
Other vulnerabilities in Paloaltonetworks Pan-Os
- CVE-2024-3400 Palo Alto Networks PAN-OS Command Injection
- CVE-2020-2021 Palo Alto Networks PAN-OS Authentication Bypass
- CVE-2017-15944 Palo Alto Networks PAN-OS Remote Code Execution
- CVE-2026-0300 Palo Alto Networks PAN-OS Out-of-bounds Write
- CVE-2024-0012 Palo Alto Networks PAN-OS Management Interface Authentication Bypass
Sources
Also known as GHSA-grq6-472c-73fx.