CVE-2021-3036: PAN-OS: Administrator secrets are logged in web server logs when using the PAN-OS XML API incorrectly
First published: Wed Apr 14 2021(Updated: )
An information exposure through log file vulnerability exists in Palo Alto Networks PAN-OS software where secrets in PAN-OS XML API requests are logged in cleartext to the web server logs when the API is used incorrectly. This vulnerability applies only to PAN-OS appliances that are configured to use the PAN-OS XML API and exists only when a client includes a duplicate API parameter in API requests. Logged information includes the cleartext username, password, and API key of the administrator making the PAN-OS XML API request.
Credit: psirt@paloaltonetworks.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Paloaltonetworks Pan-os | >=8.1.0<8.1.19 | |
| Paloaltonetworks Pan-os | >=9.0.0<9.0.12 | |
| Paloaltonetworks Pan-os | >=9.1.0<9.1.6 | |
| Paloaltonetworks Pan-os | >=10.0.0<10.0.1 |
Remedy
This issue is fixed in PAN-OS 8.1.19, PAN-OS 9.0.12, PAN-OS 9.1.6, PAN-OS 10.0.1, and all later PAN-OS versions. After you upgrade the PAN-OS appliance, you must change the passwords and generate a new API key for all impacted PAN-OS administrators.
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Reference Links
Frequently Asked Questions
What is CVE-2021-3036?
CVE-2021-3036 is an information exposure through log file vulnerability in Palo Alto Networks PAN-OS software.
What is the severity of CVE-2021-3036?
CVE-2021-3036 has a severity rating of 4.4, which is considered medium.
Which software versions are affected by CVE-2021-3036?
CVE-2021-3036 affects Palo Alto Networks PAN-OS software versions 8.1.0 to 8.1.19, 9.0.0 to 9.0.12, 9.1.0 to 9.1.6, and 10.0.0 to 10.0.1.
How does CVE-2021-3036 vulnerability occur?
CVE-2021-3036 vulnerability occurs when secrets in PAN-OS XML API requests are logged in cleartext to the web server logs due to incorrect usage of the API.
Is there a fix for CVE-2021-3036?
Yes, Palo Alto Networks has released patches to address the vulnerability. It is recommended to update to the latest version of PAN-OS software.
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- vendor/paloaltonetworks
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