CVE-2020-2031

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.

Risk Information

Base Score

4.9

MODERATE

Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

EPSS Score

Exploitation Probability

0.319

Associated Vulnerability

Vulnerability	OS Platform
Multiple Vulnerabilities affected in pan-os 9.1.2	NCM
Integer Underflow (Wrap or Wraparound) Vulnerability (CVE-2020-2031)	NCM

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234