Vulnerabilities > CVE-2020-2031 - Integer Underflow (Wrap or Wraparound) vulnerability in Paloaltonetworks Pan-Os 9.1.0/9.1.1/9.1.2
Attack vector
NETWORK Attack complexity
LOW Privileges required
HIGH Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| OS | 3 |