CVE-2021-40324

Name: CVE-2021-40324
Creator: NVD / NIST
Published: 2021-10-04T06:15:07.32+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 68.64%

Last modified Jun 17, 2026

CVE-2021-40324 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Cobbler before 3.3.0 allows arbitrary file write operations via upload_log_data.. EPSS estimates a 68.64% chance of exploitation in the next 30 days.

Description

Cobbler before 3.3.0 allows arbitrary file write operations via upload_log_data.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

68.64%

99.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Cobbler Project	Cobbler	<= 3.3.0

References

https://github.com/cobbler/cobbler/commit/d8f60bbf14a838c8c8a1dba98086b223e35fe70aPatch, Third Party Advisory
https://github.com/cobbler/cobbler/releases/tag/v3.3.0Product, Third Party Advisory
https://github.com/cobbler/cobbler/commit/d8f60bbf14a838c8c8a1dba98086b223e35fe70aPatch, Third Party Advisory
https://github.com/cobbler/cobbler/releases/tag/v3.3.0Product, Third Party Advisory

Timeline

Published: Oct 4, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-40324?

Cobbler before 3.3.0 allows arbitrary file write operations via upload_log_data.

How severe is CVE-2021-40324?

CVE-2021-40324 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 68.64% probability of exploitation in the next 30 days.

How do I fix CVE-2021-40324?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-40324?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST