UpHeron
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Servers and applications

CVE-2020-2040

A buffer overflow vulnerability in PAN-OS allows an unauthenticated attacker to disrupt system processes and potentially execute arbitrary code with root privileges by sending a malicious request to the Captive Portal or Multi-Factor Authentication interface. This issue impacts: All versions of PAN-OS 8.0; PAN-OS 8.1 versions earlier than PAN-OS 8.1.15; PAN-OS 9.0 versions earlier than PAN-OS…

Severity
Critical 9.8
Published
9 Sept 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
8.1.15, 9.0.9, 9.1.3
Sources
NVD

Affected software

SoftwareAffected versions
Palo Alto Networks PAN-OSServers and applications · cpe:o:paloaltonetworks:pan-os
  • From 8.0.0 up to 8.0.20
  • From 8.1.0 before 8.1.15
  • From 9.0.0 before 9.0.9
  • From 9.1.0 before 9.1.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-2040
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-2040