PT-2026-4923 · Knockpy · Knockpy

Dolev Farhi · Publicado 2026-01-27 · Atualizado 2026-01-27 · CVE-2020-36941

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Crítica

Vetor base

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

Name of the Vulnerable Software and Affected Versions Knockpy version 4.1.1

Description Knockpy 4.1.1 has a flaw where malicious formulas can be inserted into CSV reports due to unfiltered server headers. An attacker can manipulate server response headers to include spreadsheet formulas that will run when the CSV file is opened in spreadsheet software.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

RCE

Enumeração de Fraquezas

CWE-1236

Identificadores relacionados

CVE-2020-36941

Produtos afetados

Knockpy

Referências · 6

• 🔥 https://github.com/guelfoweb/knock · Exploit
• 🔥 https://exploit-db.com/exploits/49342 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-36941 · Nota de Segurança
• https://t.me/CVEtracker/43068 · Publicação no Telegram
• https://osv.dev/vulnerability/CVE-2020-36941 · Aviso do Fabricante
• https://vulncheck.com/advisories/knockpy-csv-injection · Nota