Vulnerability Details CVE-2020-2031
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 54.4%
CVSS Severity
CVSS v3 Score 4.9
CVSS v2 Score 6.8
References
Products affected by CVE-2020-2031
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cpe:2.3:o:paloaltonetworks:pan-os:9.1.0
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cpe:2.3:o:paloaltonetworks:pan-os:9.1.1
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cpe:2.3:o:paloaltonetworks:pan-os:9.1.2