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CVE-2020-36941

nvd nist
Published: Jan 27, 2026Modified: Jun 17, 2026

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5.3
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less
Source: disclosure@vulncheck.com (Secondary)

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.

Affected (1)

Products: Guelfoweb: Knockpy
Guelfoweb
1 product
Knockpy
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Knockpy
Version 4.1.1

Related CWEs

CWE-1236
Improper Neutralization of Formula Elements in a CSV File
The product saves user-provided information into a Comma-Separated Value (CSV) file, but it does not neutralize or incorrectly neutralizes special elements that could be interpreted as a command when the file is opened by a spreadsheet product.

References (4)

Source: disclosure@vulncheck.com
Product
Source: disclosure@vulncheck.com
ExploitThird Party Advisory
Source: disclosure@vulncheck.com
Third Party Advisory
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Product

Timeline

No history available yet.