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paloaltoPalo Alto Networks Product Security Incident Response TeamPA-CVE-2020-2049
HistoryDec 09, 2020 - 5:00 p.m.

Cortex XDR Agent: Improper control of loaded DLL leads to local privilege escalation

2020-12-0917:00:00
Palo Alto Networks Product Security Incident Response Team
securityadvisories.paloaltonetworks.com
47

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%

A local privilege escalation vulnerability exists in Palo Alto Networks Cortex XDR Agent on the Windows platform that allows 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.

Work around:
This issue is mitigated by preventing local authenticated Windows users from creating files in the Windows root directory such as C:.

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%

Related for PA-CVE-2020-2049