CVE-2020-1993 PAN-OS: GlobalProtect Portal PHP session fixation vulnerability
Attackers can hijack user sessions in PAN-OS GlobalProtect Portal by fixing session IDs, leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-1993?
CVE-2020-1993 is a low-severity authentication bypass vulnerability in Paloaltonetworks Pan-Os, published on 13 May 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The GlobalProtect Portal feature in PAN-OS does not set a new session identifier after a successful user login, which allows session fixation attacks, if an attacker is able to control a user's session ID. This issue affects: All PAN-OS 7.1 and 8.0 versions; PAN-OS 8.1 versions earlier than 8.1.14; PAN-OS 9.0 versions earlier than 9.0.8.
Weakness: CWE-384
Which versions are affected by CVE-2020-1993?
It affects 1 product.
Products include Paloaltonetworks Pan-Os.
How do I fix CVE-2020-1993?
No fix has been published for CVE-2020-1993 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2020-1993 being exploited?
There is no known exploitation of CVE-2020-1993 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-w8pj-jc9c-cq4v.