Description

Knockpy 4.1.1 contains a CSV injection vulnerability that allows attackers to inject malicious formulas into CSV reports through unfiltered server headers. Attackers can manipulate server response headers to include spreadsheet formulas that will execute when the CSV is opened in spreadsheet applications.

INFO

Published Date :

2026-01-27T15:23:48.210Z

Last Modified :

2026-03-05T01:27:00.501Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2020-36941 vulnerability.

Vendors Products
Guelfoweb
  • Knock
  • Knockpy
Verbb
  • Knock Knock
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2020-36941.

URL Resource
https://github.com/guelfoweb/knock cve-icon cve-icon cve-icon
https://www.exploit-db.com/exploits/49342 cve-icon cve-icon
https://www.vulncheck.com/advisories/knockpy-csv-injection cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact