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Medium severity4.9NVD Advisory· Published Jul 8, 2020· Updated Jun 17, 2026

CVE-2020-2031

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Paloaltonetworks/Pan OS2 versions
    cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*range: >=9.1.0,<9.1.3
    • (no CPE)range: 9.1
  • Pan/Panllm-fuzzy
    Range: <9.1.3

Patches

Vulnerability mechanics

References

1

News mentions

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