CVE-2021-3036: PAN-OS: Administrator secrets are logged in web server logs when using the PAN-OS XML API incorrectly
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Palo Alto Networks PAN-OSto a version that resolves this vulnerability.Fixed in 8.1.19 - Upgrade
Upgrade
Palo Alto Networks PAN-OSto a version that resolves this vulnerability.Fixed in 9.0.12 - Upgrade
Upgrade
Palo Alto Networks PAN-OSto a version that resolves this vulnerability.Fixed in 9.1.6 - Upgrade
Upgrade
Palo Alto Networks PAN-OSto a version that resolves this vulnerability.Fixed in 10.0.1 - Operational
After upgrading the PAN-OS appliance, change the passwords and generate a new API key for all impacted PAN-OS administrators.
Event History
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.