CVE-2020-36941 - CVE House
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Status published Medium CVE-2020-36941

Knockpy 4.1.1 - CSV Injection

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Dolev Farhi

References

Affected Vendor

Affected Software

knock
Vulnerable Versions:
4.1.1

Timeline

Official Publish: January 27th, 2026
Last Modified: March 5th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-1236

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.