CVE-2025-0121: Cortex XDR Agent: Local Windows User Can Crash the Agent (Severity: MEDIUM)

Published Apr 9, 2025
·
Updated

A null pointer dereference vulnerability in the Palo Alto Networks Cortex® XDR agent on Windows devices allows a low-privileged local Windows user to crash the agent. Additionally, malware can use this vulnerability to perform malicious activity without Cortex XDR being able to detect it.

Affected Software

2 affected componentsFixes available
All of the following
Palo Alto Networks Cortex XDR Agent<8.6.1, =8.6.0, <8.5.2, =8.5.0, <8.3.101-CE HF, =8.3-CE, <7.9.103-CE HF, =7.9-CE
8.6.18.5.28.3.101-CE HF7.9.103-CE HF
Microsoft Windows*

Remediation

Mitigation

There are no known workarounds for this issue.

Information

This issue is fixed in Cortex XDR Agent 8.6.1, Cortex XDR Agent 8.5.2, Cortex XDR Agent 8.3.101-CE HF, Cortex XDR Agent 7.9.103-CE HF, and all later Cortex XDR Agent versions.

Event History

Apr 9, 2025
Advisory Published
via Palo Alto Networks·04:00 PM
Apr 11, 2025
CVE Published
via MITRE·01:45 AM
Data Sourced
via MITRE·01:45 AM
DescriptionWeakness
Data Sourced
via NVD·02:15 AM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2025-0121?

CVE-2025-0121 is considered a high severity vulnerability due to the potential for local users to crash the Cortex XDR agent and evade detection from malicious activity.

2

How do I fix CVE-2025-0121?

To fix CVE-2025-0121, update the Cortex XDR agent to version 8.6.2 or later, where the vulnerability has been patched.

3

Who is affected by CVE-2025-0121?

CVE-2025-0121 affects low-privileged local Windows users running vulnerable versions of the Palo Alto Networks Cortex XDR agent.

4

What type of vulnerability is CVE-2025-0121?

CVE-2025-0121 is a null pointer dereference vulnerability which allows for an unexpected program crash.

5

What can attackers do with CVE-2025-0121?

Attackers can exploit CVE-2025-0121 to crash the Cortex XDR agent and potentially perform malicious activities undetected by the agent.

Contact

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