Vulnerability · Published Sep 8, 2021 · Assigned by palo_alto

CVE-2021-3054PAN-OS: Unsigned Code Execution During Plugin Installation Race Condition Vulnerability

High 7.2

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 0.9% (higher than 60% of all known vulnerabilities).

Severity (CVSS 3.1)7.2High

Exploit odds (30 days)0.9%top 39.6% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A time-of-check to time-of-use (TOCTOU) race condition vulnerability in the Palo Alto Networks PAN-OS web interface enables an authenticated administrator with permission to upload plugins to execute arbitrary code with root user privileges. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.11; PAN-OS 10.0 versions earlier than PAN-OS 10.0.7; PAN-OS 10.1 versions earlier than PAN-OS 10.1.2. This issue does not affect Prisma Access.

Affected products (as reported)

Vendor	Product	Versions
Palo Alto Networks	PAN-OS	8.1 – before 8.1.209.0 – before 9.0.1410.0 – before 10.0.79.1 – before 9.1.1110.1 – before 10.1.2

Weakness: CWE-367 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References

https://security.paloaltonetworks.com/CVE-2021-3054 x_refsource_MISC