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High severity8.1NVD Advisory· Published Apr 8, 2020· Updated Jun 17, 2026

CVE-2020-1992

CVE-2020-1992

Description

A format string vulnerability in the Varrcvr daemon of PAN-OS on PA-7000 Series devices with a Log Forwarding Card (LFC) allows remote attackers to crash the daemon creating a denial of service condition or potentially execute code with root privileges. This issue affects Palo Alto Networks PAN-OS 9.0 versions before 9.0.7; PAN-OS 9.1 versions before 9.1.2 on PA-7000 Series devices with an LFC installed and configured. This issue requires WildFire services to be configured and enabled. This issue does not affect PAN-OS 8.1 and earlier releases. This issue does not affect any other PA Series firewalls.

AI Insight

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

Affected products

4
  • Paloaltonetworks/Pan OS3 versions
    cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*range: >=9.0.0,<9.0.7
    • (no CPE)range: <9.0.7, <9.1.2
    • (no CPE)range: 8.1.*
  • Paloaltonetworks/PA-5400 Seriesllm-fuzzy
    Range: <9.0.7, <9.1.2

Patches

Vulnerability mechanics

References

1

News mentions

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