CVE-2021-41738
ZeroShell 3.9.5 has a command injection vulnerability in /cgi-bin/kerbynet IP parameter, which...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-41738- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-78
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-41738- Updated
- 2026-11-02
EUVDEUVD-2021-28750 No score
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.
- Record
EUVD-2021-28750- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qp5f-6g86-h75x
ZeroShell 3.9.5 has a command injection vulnerability in /cgi-bin/kerbynet IP parameter, which...
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.
- Record
GHSA-qp5f-6g86-h75x- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-41738 is a high vulnerability (CVSS 8.8) in Zeroshell, published June 11, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.81%, the 78th percentile. No source names a fixed version.