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HIGH

CVE-2020-37041

OpenCTI 3.3.1 - Directory Traversal

CVSS v3

7.5

HIGH

EPSS Score

1.0 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

poc

SSVC status

Description

OpenCTI 3.3.1 is vulnerable to a directory traversal attack via the static/css endpoint. An unauthenticated attacker can read arbitrary files from the filesystem by sending crafted GET requests with path traversal sequences (e.g., '../') in the URL. For example, requesting /static/css//../../../../../../../../etc/passwd returns the contents of /etc/passwd. This vulnerability was discovered by Raif Berkay Dincel and confirmed on Linux Mint and Windows 10.

Technical details

Published
2026-01-30
Last Modified
2026-02-13

Frequently asked questions

What is CVE-2020-37041?

OpenCTI 3.3.1 is vulnerable to a directory traversal attack via the static/css endpoint. An unauthenticated attacker can read arbitrary files from the filesystem by sending crafted GET requests with path traversal sequences (e.g., '../') in the URL. For example, requesting /static/css//../../../../../../../../etc/passwd returns the contents of /etc/passwd. This vulnerability was discovered by Raif Berkay Dincel and confirmed on Linux Mint and Windows 10.

Is CVE-2020-37041 actively exploited?

A proof-of-concept exploit exists for CVE-2020-37041, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2020-37041?

CVE-2020-37041 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2020-37041 affecting your environment?

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