Palo Alto Networks Security Advisories / CVE-2023-3280

CVE-2023-3280 Cortex XDR Agent: Local Windows User Can Disable the Agent

047910
Severity 5.5 · MEDIUM
Attack Vector LOCAL
Scope UNCHANGED
Attack Complexity LOW
Confidentiality Impact NONE
Privileges Required LOW
Integrity Impact NONE
User Interaction NONE
Availability Impact HIGH

Description

A problem with a protection mechanism in the Palo Alto Networks Cortex XDR agent on Windows devices allows a local user to disable the agent.

Product Status

VersionsAffectedUnaffected
Cortex XDR Agent 8.1NoneAll
Cortex XDR Agent 8.0< 8.0.2 on Windows>= 8.0.2 with CU-1000 or a later content update on Windows
Cortex XDR Agent 7.9-CE< 7.9.101-CE on Windows>= 7.9.101-CE with CU-1000 or a later content update on Windows
Cortex XDR Agent 7.9< 7.9.3 on Windows>= 7.9.3 with CU-1000 or a later content update on Windows
Cortex XDR Agent 7.5-CEAll on Windows
Cortex XDR Agent 5.0All on Windows

Severity:MEDIUM

CVSSv3.1 Base Score:5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

Exploitation Status

Palo Alto Networks is not aware of any malicious exploitation of this issue.

Weakness Type

CWE-755 Improper Handling of Exceptional Conditions

Solution

This issue is fixed in Cortex XDR agent 7.9.101-CE, Cortex XDR agent 7.9.3, Cortex XDR agent 8.0.2, and all later Cortex XDR agent versions on Windows when the agent has content update 1000 or a later content update version.

Acknowledgments

Palo Alto Networks thanks Manuel Feifel of InfoGuard AG for discovering and reporting this issue.

Timeline

Clarified that an updated content version is necessary to prevent this issue
Initial publication
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