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CVE-2024-2550

PAN-OS: Firewall Denial of Service (DoS) in GlobalProtect Gateway Using a Specially Crafted Packet

Severity
High7.5CVSS 3.1, High
Known exploited
Not listed
Exploit prediction
0.51%
Published
14 Nov 2024Updated 17 Jun 2026 · Last verified 29 Sept 2026

Known remediation

Fixed releases per branch, as the vendor states them. Patcharo never infers a fix.

Workaround / Vendor remediation

Vendor remediation · PAN-OS

This issue is fixed in PAN-OS 10.2.11, PAN-OS 11.0.6, PAN-OS 11.1.5, and all later PAN-OS versions.

Description

Title, description and vendor guidance are quoted from the source records.

A null pointer dereference vulnerability in the GlobalProtect gateway in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to stop the GlobalProtect service on the firewall by sending a specially crafted packet that causes a denial of service (DoS) condition. Repeated attempts to trigger this condition result in the firewall entering maintenance mode.

Weakness: CWE-476

Known exploited

Not listed in CISA KEV as of the last check.

Exploit prediction

0.51% probability of exploitation in the next 30 days (percentile 41%).

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

What the source states, per branch

Versions matched by Patcharo

Palo Alto Networks PAN-OSSource: Palo Alto Networks (CVE record)

BranchAffectedFixed in
11.1
>= 11.1.0, < 11.1.5
11.1.5
11.0
>= 11.0.0, < 11.0.6
11.0.6
10.2
>= 10.2.0, < 10.2.11
10.2.11

Versions not listed are stated unaffected by the vendor.

References

Provenance

Every fact on this page comes from the sources below. Nothing is written by an AI.

Palo Alto Networks (CVE record)
Palo Alto Networks (CVE record) · 29 Sept 2026 at 03:17 UTC · Parser patcharo-cve5/1.1.0
NVD
NVD · 27 Sept 2026 at 23:44 UTC · Parser patcharo-nvd/1.0.0
FIRST EPSS
FIRST EPSS · 30 Sept 2026 at 00:17 UTC · Parser patcharo-epss/1.0.0

Last verified: 29 Sept 2026 at 03:17 UTC