Directory Traversal Flaw in OpenCTI by OpenCTI
CVE-2020-37041

7.1HIGH

Key Information:

Vendor

Filigran

Status
Opencti
Vendor
CVE Published:
30 January 2026

Badges

👾 Exploit Exists

What is CVE-2020-37041?

OpenCTI 3.3.1 is susceptible to a directory traversal attack via the static/css endpoint, where an unauthenticated attacker can exploit the system by sending specially crafted GET requests. This manipulation can allow the attacker to read arbitrary files from the server's filesystem, including sensitive files such as /etc/passwd, by using path traversal sequences in the URL. The issue has been validated on both Linux Mint and Windows 10, emphasizing the need for immediate remediation.

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Affected Version(s)

OpenCTI 3.3.1

References

https://www.exploit-db.com/exploits/48595
exploit
https://www.opencti.io/
product
https://github.com/OpenCTI-Platform/opencti
product

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Raif Berkay Dincel
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