Vulnerability Details : 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.
Published 2021-09-08 17:15:12
Updated 2021-09-15 00:20:15
Source Palo Alto Networks, Inc.
View at NVD,   CVE.org
Vulnerability category: Execute code

Products affected by CVE-2021-3054

Exploit prediction scoring system (EPSS) score for CVE-2021-3054

EPSS FAQ
0.64%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 68 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-3054

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
8.5
 HIGH AV:N/AC:M/Au:S/C:C/I:C/A:C
6.8
10.0
 NIST
6.6
 MEDIUM CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
0.7
5.9
 NIST
7.2
 HIGH CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
1.2
5.9
 Palo Alto Networks, Inc.

CWE ids for CVE-2021-3054

  • The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.
    Assigned by:
    • nvd@nist.gov (Primary)
    • psirt@paloaltonetworks.com (Secondary)

References for CVE-2021-3054

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