CVE-2021-3041

Published on: 06/10/2021 12:00:00 AM UTC

Last Modified on: 06/10/2021 04:28:00 PM UTC

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

Certain versions of Cortex XDR Agent from Palo Alto Networks contain the following vulnerability:

A local privilege escalation vulnerability exists in the Palo Alto Networks Cortex XDR agent on Windows platforms that enables an authenticated local Windows user to execute programs with SYSTEM privileges. This requires the user to have the privilege to create files in the Windows root directory or to manipulate key registry values. This issue impacts: Cortex XDR agent 5.0 versions earlier than Cortex XDR agent 5.0.11; Cortex XDR agent 6.1 versions earlier than Cortex XDR agent 6.1.8; Cortex XDR agent 7.2 versions earlier than Cortex XDR agent 7.2.3; All versions of Cortex XDR agent 7.2 without content update release 171 or a later version.

  • CVE-2021-3041 has been assigned by URL Logo [email protected] to track the vulnerability
  • Palo Alto Networks is not aware of any malicious exploitation of this issue.
Vulnerability Patch/Work Around
  • This issue is mitigated by preventing local authenticated Windows users from creating files in the Windows root directory (such as C:\) and ensuring they are unable to manipulate the Windows registry.

CVE References

Description Tags Link
CVE-2021-3041 Cortex XDR Agent: Improper control of user-controlled file leads to local privilege escalation security.paloaltonetworks.com
text/html
URL Logo MISC security.paloaltonetworks.com/CVE-2021-3041

Known Affected Software

Vendor Product Version
Palo Alto Networks Cortex_XDR_Agent< 5.0.11
Palo Alto Networks Cortex_XDR_Agent!>= 5.0.11
Palo Alto Networks Cortex_XDR_Agent< 6.1.8
Palo Alto Networks Cortex_XDR_Agent!>= 6.1.8
Palo Alto Networks Cortex_XDR_Agent< 7.2.3 or without content update 171 or later
Palo Alto Networks Cortex_XDR_Agent!>= 7.2.3 with content update 171 or later

Discovery Credit

This issue was found by Robert McCallum of Palo Alto Networks during internal security review.

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-3041 : A local privilege escalation vulnerability exists in the Palo Alto Networks Cortex XDR agent on… twitter.com/i/web/status/1… 2021-06-10 12:37:43
Twitter Icon @autumn_good_35 『enables an authenticated local Windows user to execute programs with SYSTEM privileges.』 CVE-2021-3041 Cortex XDR… twitter.com/i/web/status/1… 2021-06-10 13:52:36
Reddit Logo Icon /r/netcve CVE-2021-3041 2021-06-10 13:41:56
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