UpHeron
All vulnerabilities

Servers and applications

CVE-2021-3063

An improper handling of exceptional conditions vulnerability exists in Palo Alto Networks GlobalProtect portal and gateway interfaces that enables an unauthenticated network-based attacker to send specifically crafted traffic to a GlobalProtect interface that causes the service to stop responding. Repeated attempts to send this request result in denial of service to all PAN-OS services by…

Severity
High 7.5
Published
10 Nov 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
8.1.21, 10.1.3
Sources
NVD

Affected software

SoftwareAffected versions
Palo Alto Networks PAN-OSServers and applications · cpe:o:paloaltonetworks:pan-os
  • From 8.1.0 before 8.1.21
  • From 9.0.0 up to 9.0.14
  • From 9.1.0 up to 9.1.11
  • From 10.0.0 up to 10.0.8
  • From 10.1.0 before 10.1.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-3063
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-3063