CVE-2024-5918: pan-os Cert Validation Flaw — Fix

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."

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CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Weakness Type (CWE)

CWE-295 CWE-295

Affected Products

Vendor	Product	Versions
paloaltonetworks	pan-os	10.1.0 — 10.1.11
paloaltonetworks	pan-os	10.2.0 — 10.2.4
paloaltonetworks	pan-os	11.0.0 — 11.0.3
paloaltonetworks	pan-os	All
paloaltonetworks	pan-os	All
paloaltonetworks	pan-os	All
paloaltonetworks	pan-os	All

References

Advisories & Patches

https://security.paloaltonetworks.com/CVE-2024-5918

Frequently Asked Questions

What is CVE-2024-5918? +

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." It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2024-5918? +

CVE-2024-5918 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-5918? +

CVE-2024-5918 affects products from paloaltonetworks, specifically: pan-os. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-5918? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-5918