CVE-2024-5918

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

MEDIUM

4.3

CVSS Score

Published: November 14, 2024 at 09:38 AM UTC

Updated: June 17, 2026 at 08:16 AM UTC

1 product affected across 1 vendorPAN-OS

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Severity

MEDIUM4.3

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

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."

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

PAN-OS · Palo Alto Networks

95%

10.1.0 ≤ v < 10.1.1110.2.0 ≤ v ≤ 10.2.410.2.0 ≤ v < 10.2.4-h511.0.0 ≤ v < 11.0.310.110.1.0 10.1.1 10.1.10 10.1.2 10.1.3 10.1.4 10.1.5 10.1.6 10.1.7 10.1.8 10.1.9 10.2 10.2.0 10.2.1 10.2.2 10.2.3 10.2.4 10.2.4 h2 10.2.4 h3 10.2.4 h4 11.0 11.0.0 11.0.1 11.0.2

Affected range stops below 10.1.11, so it looks safe — our inference, not a vendor statement

Affected range stops below 10.2.4-h5, so it looks safe — our inference, not a vendor statement

Affected range stops below 11.0.3, so it looks safe — our inference, not a vendor statement

Vendor states this is fixed in 11.1.0 (unaffected)

Vendor states this is fixed in 11.2.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

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

References (1)

Vendor Advisory

Source: [email protected]

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusANALYZED

CWE

CWE-295

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