CVE-2021-44138

Name: CVE-2021-44138
Creator: NVD / NIST
Published: 2022-04-04T13:15:07.59+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 14.12%

Last modified Jun 17, 2026

CVE-2021-44138 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. There is a Directory traversal vulnerability in Caucho Resin, as distributed in Resin 4.0.52 - 4.0.56, which allows remote attackers to read files in arbitrary directories via a ; in a pathname within an HTTP request.. EPSS estimates a 14.12% chance of exploitation in the next 30 days.

Description

There is a Directory traversal vulnerability in Caucho Resin, as distributed in Resin 4.0.52 - 4.0.56, which allows remote attackers to read files in arbitrary directories via a ; in a pathname within an HTTP request.

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

14.12%

96.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Caucho	Resin	>= 4.0.52, <= 4.0.56

References

https://github.com/maybe-why-not/reponame/issues/2Exploit, Third Party Advisory
https://github.com/maybe-why-not/reponame/issues/2Exploit, Third Party Advisory

Timeline

Published: Apr 4, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-44138?

How severe is CVE-2021-44138?

CVE-2021-44138 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 14.12% probability of exploitation in the next 30 days.

How do I fix CVE-2021-44138?

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-2021-44138?

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

Scan your code now

Source: NVD / NIST