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 unauthenticated attacker can exploit this issue by injecting OS commands inside the vulnerable parameters.
CVSS 2.0
Severity: HIGH
Problem Type: CWE-78,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| zeroshell | zeroshell | 3.9.0 |
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.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | 3.9 | 5.9 |
CVSS 2.0
Severity: HIGH
Problem Type: CWE-78,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| zeroshell | zeroshell | 3.9.3 |
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.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 8.8 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | 2.8 | 5.9 |
CVSS 2.0
Severity: MEDIUM
Problem Type: CWE-78,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| zeroshell | zeroshell | 3.9.5 |