Vulnerability · Published May 13, 2020 · Assigned by palo_alto

CVE-2020-2016PAN-OS: Temporary file race condition vulnerability in PAN-OS leads to local privilege escalation

High 7.0

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 0.6% (higher than 47% of all known vulnerabilities).

Severity (CVSS 3.1)7.0High

Exploit odds (30 days)0.6%top 52.8% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A race condition due to insecure creation of a file in a temporary directory vulnerability in PAN-OS allows for root privilege escalation from a limited linux user account. This allows an attacker who has escaped the restricted shell as a low privilege administrator, possibly by exploiting another vulnerability, to escalate privileges to become root user. This issue affects: PAN-OS 7.1 versions earlier than 7.1.26; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.6; All versions of PAN-OS 8.0.

Affected products (as reported)

Vendor	Product	Versions
Palo Alto Networks	PAN-OS	8.0.*7.1 – before 7.1.268.1 – before 8.1.139.0 – before 9.0.6

Weakness: CWE-377 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References

https://security.paloaltonetworks.com/CVE-2020-2016 x_refsource_MISC