CVE-2024-5918

PAN-OS: Improper Certificate Validation Enables Impersonation of a Legitimate GlobalProtect User

Description

An improper certificate validation vulnerability in Palo Alto Networks PAN-OS software enables an authorized user with a specially crafted client certificate to connect to an impacted GlobalProtect portal or GlobalProtect gateway as a different legitimate user. This attack is possible only if you "Allow Authentication with User Credentials OR Client Certificate."

Remediation

Solution:

  • This issue is fixed in PAN-OS 10.1.11, PAN-OS 10.2.4-h5, PAN-OS 10.2.5, PAN-OS 11.0.3, and all later PAN-OS versions.

Workaround:

  • You can mitigate this issue by setting the "Allow Authentication with User Credentials OR Client Certificate" option to "No." Additional information is available here: https://docs.paloaltonetworks.com/pan-os/11-0/pan-os-web-interface-help/globalprotect/network-globalprotect-portals/globalprotect-portals-authentication-configuration-tab * https://docs.paloaltonetworks.com/pan-os/11-0/pan-os-web-interface-help/globalprotect/network-globalprotect-gateways/globalprotect-gateway-authentication-tab https://docs.paloaltonetworks.com/pan-os/11-0/pan-os-web-interface-help/globalprotect/network-globalprotect-gateways/globalprotect-gateway-authentication-tab

Category

5.3
CVSS
Severity: Medium
CVSS 4.0 •
EPSS 0.06%
Vendor Advisory paloaltonetworks.com
Affected: Palo Alto Networks Cloud NGFW
Affected: Palo Alto Networks PAN-OS
Affected: Palo Alto Networks Prisma Access
Published at:
Updated at:

References

Link Tags
https://security.paloaltonetworks.com/CVE-2024-5918 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-5918?
CVE-2024-5918 has been scored as a medium severity vulnerability.
How to fix CVE-2024-5918?
To fix CVE-2024-5918: This issue is fixed in PAN-OS 10.1.11, PAN-OS 10.2.4-h5, PAN-OS 10.2.5, PAN-OS 11.0.3, and all later PAN-OS versions.
Is CVE-2024-5918 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-5918 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-5918?
CVE-2024-5918 affects Palo Alto Networks Cloud NGFW, Palo Alto Networks PAN-OS, Palo Alto Networks Prisma Access.
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