Vulnerability · Published Jul 8, 2020 · Assigned by palo_alto

CVE-2020-2031PAN-OS: Integer underflow in the management interface

Medium 4.9

In plain English

A medium-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 1.1% (higher than 67% of all known vulnerabilities).

Severity (CVSS 3.1)4.9Medium

Exploit odds (30 days)1.1%top 33.4% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Palo Alto Networks	PAN-OS	9.1 – before 9.1.3

Weakness: CWE-191 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

References

https://security.paloaltonetworks.com/CVE-2020-2031 x_refsource_MISC