CVE-2020-1994 PAN-OS: Predictable temporary file vulnerability
A local authenticated user with shell access can corrupt arbitrary system files via predictable temporary files, compromising system integrity.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-1994?
CVE-2020-1994 is a medium-severity path traversal vulnerability in Paloaltonetworks Pan-Os, published on 13 May 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A predictable temporary file vulnerability in PAN-OS allows a local authenticated user with shell access to corrupt arbitrary system files affecting the integrity of the system. This issue affects: All versions of PAN-OS 7.1 and 8.0; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.7.
Weakness: CWE-377
Which versions are affected by CVE-2020-1994?
It affects 1 product.
Products include Paloaltonetworks Pan-Os.
How do I fix CVE-2020-1994?
No fix has been published for CVE-2020-1994 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2020-1994 being exploited?
There is no known exploitation of CVE-2020-1994 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-7648-6xxf-429g.