CVE-2021-27367

Name: CVE-2021-27367
Creator: NVD / NIST
Published: 2021-02-17T21:15:13.01+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.75%

Last modified Jun 17, 2026

CVE-2021-27367 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Controller/Backend/FileEditController.php and Controller/Backend/FilemanagerController.php in Bolt before 4.1.13 allow Directory Traversal.. EPSS estimates a 1.75% chance of exploitation in the next 30 days.

Description

Controller/Backend/FileEditController.php and Controller/Backend/FilemanagerController.php in Bolt before 4.1.13 allow Directory Traversal.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.75%

74.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Boltcms	Bolt	< 4.1.13

References

https://github.com/bolt/core/pull/2371Patch, Third Party Advisory
https://github.com/bolt/core/releases/tag/4.1.13Release Notes, Third Party Advisory
https://github.com/bolt/core/pull/2371Patch, Third Party Advisory
https://github.com/bolt/core/releases/tag/4.1.13Release Notes, Third Party Advisory

Timeline

Published: Feb 17, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-27367?

Controller/Backend/FileEditController.php and Controller/Backend/FilemanagerController.php in Bolt before 4.1.13 allow Directory Traversal.

How severe is CVE-2021-27367?

CVE-2021-27367 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.75% probability of exploitation in the next 30 days.

How do I fix CVE-2021-27367?

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-2021-27367?

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

Scan your code now

Source: NVD / NIST