CVE-2020-2011

PAN-OS: Panorama registration denial of service

Description

An improper input validation vulnerability in the configuration daemon of Palo Alto Networks PAN-OS Panorama allows for a remote unauthenticated user to send a specifically crafted registration request to the device that causes the configuration service to crash. Repeated attempts to send this request result in denial of service to all PAN-OS Panorama services by restarting the device and putting it into maintenance mode. This issue affects: All versions of PAN-OS 7.1, PAN-OS 8.0; PAN-OS 8.1 versions earlier than 8.1.14; PAN-OS 9.0 versions earlier than 9.0.7; PAN-OS 9.1 versions earlier than 9.1.0.

Remediation

Solution:

  • This issue is fixed in PAN-OS 8.1.14, PAN-OS 9.0.7, and all later PAN-OS versions. PAN-OS 8.0 is now end-of-life as of October 31, 2019, and is no longer covered by our Product Security Assurance policies. PAN-OS 7.1 is on extended support until June 30, 2020, and is only being considered for critical security vulnerability fixes.

Workaround:

  • This issues affects the management interface of PAN-OS and is strongly mitigated by following best practices for securing the PAN-OS management interface. Please review the Best Practices for Securing Administrative Access in the PAN-OS technical documentation, available at: https://docs.paloaltonetworks.com

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.58%
Vendor Advisory paloaltonetworks.com
Affected: Palo Alto Networks PAN-OS
Published at:
Updated at:

References

Link Tags
https://security.paloaltonetworks.com/CVE-2020-2011 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-2011?
CVE-2020-2011 has been scored as a high severity vulnerability.
How to fix CVE-2020-2011?
To fix CVE-2020-2011: This issue is fixed in PAN-OS 8.1.14, PAN-OS 9.0.7, and all later PAN-OS versions. PAN-OS 8.0 is now end-of-life as of October 31, 2019, and is no longer covered by our Product Security Assurance policies. PAN-OS 7.1 is on extended support until June 30, 2020, and is only being considered for critical security vulnerability fixes.
Is CVE-2020-2011 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-2011 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-2011?
CVE-2020-2011 affects Palo Alto Networks PAN-OS.
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