Attacker Value
Moderate
(1 user assessed)
Exploitability
Low
(1 user assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
1

CVE-2020-2040

Disclosure Date: September 09, 2020
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Description

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 9.0.9; PAN-OS 9.1 versions earlier than PAN-OS 9.1.3.

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1
Ratings
  • Attacker Value
    Medium
  • Exploitability
    Low
Technical Analysis

Not enough is known about this vulnerability, but if an unauthenticated attacker can knock out a PAN-OS device, that could cause severe network disruption. RCE would be even worse. Note that this affects only the Captive Portal and Multi-Factor Authentication interfaces.

General Information

Vendors

  • Palo Alto Networks

Products

  • PAN-OS

Additional Info

Technical Analysis