Opencti
CVE-2020-37044
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS 5.4 (MEDIUM). Attack vector: Network. Complexity: Low. Privileges required: None. User interaction: Required. Public exploit/POC available. |
| Exploit ScenarioDerived | An attacker could exploit this flaw, execution of JavaScript in the victim's browser. |
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Alert meAnalysisAI
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 to execution of JavaScript in the victim's browser. [CVSS 5.4 MEDIUM]
RemediationAI
Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in pypi
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Classified as CWE-79 (Cross-site Scripting (XSS)). Affects Opencti. 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 to execution of JavaScript in the victim's browser. For example, a request to /graphql?'"--></style></scRipt><scRipt>alert('Raif_Berkay')</scRipt> will trigger an alert. This vulnerability was discovered by Raif Berkay Dincel and confirmed on Linux Mint and Wi
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
2DescriptionCVE.org
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 to execution of JavaScript in the victim's browser. For example, a request to /graphql?'"--></style></scRipt><scRipt>alert('Raif_Berkay')</scRipt> will trigger an alert. This vulnerability was discovered by Raif Berkay Dincel and confirmed on Linux Mint and Windows 10.
Executive ViewAI
Organizations using OpenCTI 3.3.1 should be aware of moderate risk from CVE-2020-37044, a cross-site scripting vulnerability rated CVSS 5.4. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Proof-of-concept code is publicly available. Organizations should apply vendor updates when available and monitor for exploitation.
Apply vendor patch. If patching is delayed: implement CSP headers, enable HttpOnly cookies, deploy WAF XSS rules.
Threat Intelligence Overview
NVD
CVE.org
EPSS
Exploit-DB
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.
Affected Products (CPE)CVE.org
Unauthenticated attackers can escalate privileges in OpenCTI 6.6.0-6.9.12 by impersonating any user account, including t
Server-Side Template Injection in OpenCTI notifier templates allows privileged administrators with 'Manage customization
OpenCTI 3.3.1 is vulnerable to a directory traversal attack via the static/css endpoint. An unauthenticated attacker can
OpenCTI is an open cyber threat intelligence (CTI) platform. Rated critical severity (CVSS 9.1), this vulnerability is r
Authenticated attackers can delete arbitrary workspaces in OpenCTI versions prior to 6.8.1 due to missing ownership chec
OpenCTI is an open-source cyber threat intelligence platform. Rated high severity (CVSS 8.1), this vulnerability is remo
OpenCTI is an open source platform allowing organizations to manage their cyber threat intelligence knowledge and observ
In OpenCTI through 5.2.4, a broken access control vulnerability has been identified in the profile endpoint. Rated high
Privilege escalation in OpenCTI prior to 6.9.7 allows an organization admin to gain elevated platform-wide privileges by
Authorization bypass in OpenCTI prior to version 7.260326.0 lets any authenticated user holding the KNOWLEDGE_KNUPDATE p
Elasticsearch Painless script injection via OpenCTI's GraphQL API allows any authenticated user holding the KNOWLEDGE ca
OpenCTI versions prior to 6.9.1 contain an authorization bypass vulnerability in the GraphQL mutation 'IndividualDeletio