CVE-2022-0021 GlobalProtect App: Information Exposure Vulnerability When Using Connect Before Logon
Attackers can read cleartext credentials from log files when the Connect Before Logon feature is enabled in the GlobalProtect Windows app.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-0021?
CVE-2022-0021 is a low-severity vulnerability in Palo Alto Networks GlobalProtect App, published on 10 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An information exposure through log file vulnerability exists in the Palo Alto Networks GlobalProtect app on Windows that logs the cleartext credentials of the connecting GlobalProtect user when authenticating using Connect Before Logon feature. This issue impacts GlobalProtect App 5.2 versions earlier than 5.2.9 on Windows. This issue does not affect the GlobalProtect app on other platforms.
Weakness: CWE-532
Which versions are affected by CVE-2022-0021?
It affects 1 product.
Products include Paloaltonetworks Globalprotect.
How do I fix CVE-2022-0021?
No fix has been published for CVE-2022-0021 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-0021 being exploited?
There is no known exploitation of CVE-2022-0021 in the wild and no public exploit code.
Other vulnerabilities in Palo Alto Networks GlobalProtect App
- CVE-2025-4232 GlobalProtect: Authenticated Code Injection Through Wildcard on macOS
- CVE-2021-3057 GlobalProtect App: Buffer Overflow Vulnerability When Connecting to Portal or Gateway
- CVE-2023-0009 GlobalProtect App: Local Privilege Escalation (PE) Vulnerability
- CVE-2022-0016 GlobalProtect App: Privilege Escalation Vulnerability When Using Connect Before Logon
- CVE-2025-0120 GlobalProtect App: Local Privilege Escalation (PE) Vulnerability
Sources
Also known as GHSA-c8q6-g23p-58gh.