CVE-2021-3042CWE-427

Cortex XDR Agent: Improper Control of User-Controlled File Leads to Local Privilege Escalation

High · published July 15, 2021

CVSS v3.1
7.8
EPSS
0%
Percentile
15.2
In the wild
Unconfirmed
What it is

A local privilege escalation (PE) 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. Exploiting this vulnerability requires the user to have file creation privilege in the Windows root directory (such as C:\). This issue impacts: All versions of Cortex XDR agent 6.1 without content update 181 or a later version; All versions of Cortex XDR agent 7.2 without content update 181 or a later version; All versions of Cortex XDR agent 7.3 without content update 181 or a later version. Cortex XDR agent 5.0 versions are not impacted by this issue. Content updates are required to resolve this issue and are automatically applied for the agent.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00248 · 15.2th percentile
Weakness
CWE-427 · Uncontrolled Search Path Element
Published
2021-07-15T16:45Z
EPSS history
Timeline
  • 15 JUL 16:45Z
    Cortex XDR Agent: Improper Control of User-Controlled File Leads to Local Privilege Escalation
    cvelistv5