CVE-2021-3056CWE-120

PAN-OS: Memory Corruption Vulnerability in GlobalProtect Clientless VPN During SAML Authentication

High · published November 10, 2021

CVSS v3.1
8.8
EPSS
2%
Percentile
74.7
In the wild
Unconfirmed
What it is

A memory corruption vulnerability in Palo Alto Networks PAN-OS GlobalProtect Clientless VPN enables an authenticated attacker to execute arbitrary code with root user privileges during SAML authentication. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.9; PAN-OS 10.0 versions earlier than PAN-OS 10.0.1. Prisma Access customers with Prisma Access 2.1 Preferred firewalls are impacted by this issue.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01537 · 74.7th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2021-11-10T17:10Z
EPSS history
Timeline
  • 10 NOV 17:10Z
    PAN-OS: Memory Corruption Vulnerability in GlobalProtect Clientless VPN During SAML Authentication
    cvelistv5