Medium severity · published Sep 8, 2021
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…
6.6
CVSS
0.9%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PA
PAN-OS · Palo Alto Networks
8.1.0 before 8.1.20; 9.0.0 before 9.0.14; 9.1.0 before 9.1.11; 10.0.0 before 10.0.7; 10.1.0 before 10.1.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3054
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3054
Vendor Advisory
https://security.paloaltonetworks.com/CVE-2021-3054
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