CVE-2021-33354

Name: CVE-2021-33354
Creator: NVD / NIST
Published: 2022-09-30T18:15:10.307+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 1.33%

Last modified Jun 17, 2026

CVE-2021-33354 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. Directory Traversal vulnerability in htmly before 2.8.1 allows remote attackers to perform arbitrary file deletions via modified file parameter.. EPSS estimates a 1.33% chance of exploitation in the next 30 days.

Description

Directory Traversal vulnerability in htmly before 2.8.1 allows remote attackers to perform arbitrary file deletions via modified file parameter.

Metrics

CVSS 3.1

8.1/10

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

EPSS Probability

1.33%

67.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Htmly	Htmly	< 2.8.1

References

https://github.com/danpros/htmly/issues/462Exploit, Issue Tracking, Third Party Advisory
https://github.com/danpros/htmly/issues/462Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Sep 30, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-33354?

Directory Traversal vulnerability in htmly before 2.8.1 allows remote attackers to perform arbitrary file deletions via modified file parameter.

How severe is CVE-2021-33354?

CVE-2021-33354 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 1.33% probability of exploitation in the next 30 days.

How do I fix CVE-2021-33354?

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-2021-33354?

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

Scan your code now

Source: NVD / NIST