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HIGH

CVE-2021-44138

CVSS v3

7.5

HIGH

EPSS Score

12.3 %

exploit probability, as of 2026-10-05

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2022-04-04

Frequently asked questions

What is CVE-2021-44138?

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.

Is CVE-2021-44138 actively exploited?

Active exploitation of CVE-2021-44138 has not been confirmed. Its EPSS score was 12.3% on 2026-10-05, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-44138?

CVE-2021-44138 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2021-44138 affecting your environment?

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