CVE-2020-2031

PAN-OS: Integer underflow in the management interface

State: Published
Severity: 4.9 Medium
Published: Jul 8, 2020
Updated: Sep 16, 2024
Reserved: Dec 4, 2019

Description

An integer underflow vulnerability in the dnsproxyd component of the PAN-OS management interface allows authenticated administrators to issue a command from the command line interface that causes the component to stop responding. Repeated attempts to send this request result in denial of service to all PAN-OS services by restarting the device and putting it into maintenance mode. This issue impacts: PAN-OS 9.1 versions earlier than PAN-OS 9.1.3. This issue does not impact PAN-OS 8.1, PAN-OS 9.0, or Prisma Access services.

Scores

CVSS	Score	Vector	Source
3.1	4.9 Medium	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H	palo_alto

Weaknesses

CWE-191 Integer Underflow (Wrap or Wraparound)

Affected Products

Product	Versions
PAN-OSPalo Alto Networks	9.0.Not affected 8.1.Not affected 9.1 to before 9.1.3Affectedfrom 9.1.3Not affected

References

https://security.paloaltonetworks.com/CVE-2020-2031

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