CVE-2020-29390

PoC —

CVSS 3.1

9.8 critical

EPSS

40%p99

Published

Nov 30, 2020 (Nov 30, 2020)

Modified

Jun 17, 2026

Description

Zeroshell 3.9.3 contains a command injection vulnerability in the /cgi-bin/kerbynet StartSessionSubmit parameter that could allow an unauthenticated attacker to execute a system command by using shell metacharacters and the %0a character.

Vendors: zeroshell
Products: zeroshell
Weakness: CWE-78
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (39.6%)

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