Vulnerability · Published Apr 8, 2020 · Assigned by palo_alto

CVE-2020-1992PAN-OS on PA-7000 Series: Varrcvr daemon network-based denial of service or privilege escalation

High 8.1

In plain English

A high-severity security flaw in PAN-OS from Palo Alto Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.5% (higher than 89% of all known vulnerabilities).

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)3.5%top 10.9% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Palo Alto Networks	PAN-OS	9.0 – before 9.0.79.1 – before 9.1.2
Palo Alto Networks	PAN-OS	see references

Weakness: CWE-134 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://security.paloaltonetworks.com/CVE-2020-1992 x_refsource_MISC