OS Command Injection in Zeroshell - CVE-2021-41738
Published: February 22, 2023
Vulnerability identifier: #VU72494
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-41738
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ZeroShell
Affected software:
Zeroshell
Zeroshell
Detailed vulnerability description
The vulnerability allows a remote userto execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation when parsing the IP parameter in "/cgi-bin/kerbynet". A remote user can pass specially crafted data to the application and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2021-41738
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.