Vulnerability in Palo Alto Networks Pan-Os
CVE-2021-3054
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.
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
EPSS: 0.009 (56.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Palo Alto Networks Pan-os — versions 8.1, 9.0, 10.0
- Paloaltonetworks Pan-os
Weakness classification (CWE)
References
- psirt@paloaltonetworks.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-3054?
- CVE-2021-3054 is a high-severity vulnerability in Palo Alto Networks Pan-Os, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.2/10. Published 2021-09-08.
- How severe is CVE-2021-3054?
- High severity. CVSS v3 base score is 7.2 out of 10.