UpHeron
All vulnerabilities

Servers and applications

CVE-2021-3056

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…

Severity
High 8.8
Published
10 Nov 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
8.1.20, 9.0.14, 9.1.9
Sources
NVD

Affected software

SoftwareAffected versions
Palo Alto Networks PAN-OSServers and applications · cpe:o:paloaltonetworks:pan-os
  • From 8.1.0 before 8.1.20
  • From 9.0.0 before 9.0.14
  • From 9.1.0 before 9.1.9
  • Version 10.0.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-3056
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-3056