What is CVE-2020-37044?

CVE-2020-37044 is a medium-severity vulnerability in Citeum Opencti, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-01-30.

How severe is CVE-2020-37044?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Citeum Opencti

CVE-2020-37044

OpenCTI 3.3.1 is vulnerable to a reflected cross-site scripting (XSS) attack via the /graphql endpoint. An attacker can inject arbitrary JavaScript code by sending a crafted GET request with a malicious payload in the query string, leading…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (26.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

Citeum Opencti — versions 3.3.1
Filigran Opencti — versions 3.3.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

disclosure@vulncheck.com (Exploit, VDB Entry, Third Party Advisory, exploit)
disclosure@vulncheck.com (Product, product)
disclosure@vulncheck.com (Product, product)
disclosure@vulncheck.com (Broken Link, third-party-advisory)

Frequently asked questions

What is CVE-2020-37044?: CVE-2020-37044 is a medium-severity vulnerability in Citeum Opencti, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-01-30.
How severe is CVE-2020-37044?: Medium severity. CVSS v3 base score is 5.4 out of 10.