Zeroshell is a lightweight networking and routing appliance that, despite a narrow product footprint, occupies a focused role in edge and small-network deployments. Its observed vulnerabilities cluster around OS command injection and improper input validation, reflecting the command-processing and parsing demands of a system administration and network configuration interface. Live severity, exploitation, and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Zeroshell over time
Signals from CVEs in this vendor scope (4 CVEs).
4 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2009-0545HIGH cgi-bin/kerbynet in ZeroShell 1.0beta11 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in the type parameter in a NoAuthREQ x509List act | Feb 12, 2009 | 10.0 | 91 | NO | YES |
CVE-2019-12725CRITICAL Zeroshell 3.9.0 is prone to a remote command execution vulnerability. Specifically, this issue occurs because the web application mishandles a few HTTP parameters. An unauthenticat | Jul 19, 2019 | 9.8 | 90 | NO | YES |
CVE-2020-29390CRITICAL 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 co | Nov 30, 2020 | 9.8 | 62 | NO | YES |
CVE-2021-41738HIGH ZeroShell 3.9.5 has a command injection vulnerability in /cgi-bin/kerbynet IP parameter, which may allow an authenticated attacker to execute system commands. | Jun 11, 2022 | 8.8 | 29 | NO | NO |
Signals from CVEs in this vendor scope (4 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Zeroshell.
Media articles that mention a CVE ID that affects a product developed by Zeroshell — matched by CVE ID, not by vendor name.