Paper/Archive/CVE-2020-1992

CVE-2020-1992

Palo Alto Networks PAN-OS — PAN-OS on PA-7000 Series: Varrcvr daemon network-based denial of service or privilege escalation

EPSS 3%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (NVD)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 89.0.890 × 2017.8 No public exploit+100.0 SSVC exploitation: unknown+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

PAN-OS9.0 – < 9.0.79.0.7CNA

PAN-OS9.1 – < 9.1.29.1.2CNA

PAN-OSsee advisory8.1.*CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

palo_alto (CNA)8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refsecurity.paloaltonetworks.com/CVE-2020-1992