CVE-2021-3057CWE-121

GlobalProtect App: Buffer Overflow Vulnerability When Connecting to Portal or Gateway

High · published October 13, 2021

CVSS v3.1
8.1
EPSS
1%
Percentile
72.8
In the wild
Unconfirmed
What it is

A stack-based buffer overflow vulnerability exists in the Palo Alto Networks GlobalProtect app that enables a man-in-the-middle attacker to disrupt system processes and potentially execute arbitrary code with SYSTEM privileges. This issue impacts: GlobalProtect app 5.1 versions earlier than GlobalProtect app 5.1.9 on Windows; GlobalProtect app 5.2 versions earlier than GlobalProtect app 5.2.8 on Windows; GlobalProtect app 5.2 versions earlier than GlobalProtect app 5.2.8 on the Universal Windows Platform; GlobalProtect app 5.3 versions earlier than GlobalProtect app 5.3.1 on Linux.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01429 · 72.8th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2021-10-13T16:10Z
EPSS history
Timeline
  • 13 OCT 16:10Z
    GlobalProtect App: Buffer Overflow Vulnerability When Connecting to Portal or Gateway
    cvelistv5