PT-2022-11471 · Zeroshell · Zeroshell

Published 2022-06-11 · Updated 2023-08-08 · CVE-2021-41738

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions ZeroShell version 3.9.5

Description The issue is a command injection vulnerability in the "/cgi-bin/kerbynet" API endpoint, specifically in the IP parameter. This may allow an authenticated attacker to execute system commands.

Recommendations For ZeroShell version 3.9.5, as a temporary workaround, consider restricting access to the "/cgi-bin/kerbynet" API endpoint until a patch is available. Avoid using the IP parameter in the affected endpoint to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2021-41738

Affected Products

Zeroshell

References · 5

• 🔥 https://medium.com/@rootless724 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-41738 · Security Note
• https://osv.dev/vulnerability/CVE-2021-41738 · Vendor Advisory
• https://t.me/cvenotify/31473 · Telegram Post
• https://medium.com/%40rootless724 · Note