cgi-bin/kerbynet in ZeroShell 1.0beta11 and earlier allows remote attackers to execute…
Priority CRITICAL 86CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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 action.
Why it matters now
EPSS 0.90386 99th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 11
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:zeroshell:zeroshell:1.0:beta1:*:*:*:*:*:* | 1.0 beta1 | Vulnerable | Zeroshell |
| cpe:2.3:a:zeroshell:zeroshell:1.0:beta10:*:*:*:*:*:* | 1.0 beta10 | Vulnerable | Zeroshell |
| cpe:2.3:a:zeroshell:zeroshell:1.0:beta11:*:*:*:*:*:* | 1.0 beta11 | Vulnerable | Zeroshell |
| cpe:2.3:a:zeroshell:zeroshell:1.0:beta2:*:*:*:*:*:* | 1.0 beta2 | Vulnerable | Zeroshell |
| cpe:2.3:a:zeroshell:zeroshell:1.0:beta3:*:*:*:*:*:* | 1.0 beta3 | Vulnerable | Zeroshell |
| cpe:2.3:a:zeroshell:zeroshell:1.0:beta4:*:*:*:*:*:* | 1.0 beta4 | Vulnerable | Zeroshell |
| cpe:2.3:a:zeroshell:zeroshell:1.0:beta5:*:*:*:*:*:* | 1.0 beta5 | Vulnerable | Zeroshell |
| cpe:2.3:a:zeroshell:zeroshell:1.0:beta6:*:*:*:*:*:* | 1.0 beta6 | Vulnerable | Zeroshell |
| cpe:2.3:a:zeroshell:zeroshell:1.0:beta7:*:*:*:*:*:* | 1.0 beta7 | Vulnerable | Zeroshell |
| cpe:2.3:a:zeroshell:zeroshell:1.0:beta8:*:*:*:*:*:* | 1.0 beta8 | Vulnerable | Zeroshell |
- cpe:2.3:a:zeroshell:zeroshell:1.0:beta1:*:*:*:*:*:* Versions 1.0 beta1 Vulnerable ·Zeroshell
- cpe:2.3:a:zeroshell:zeroshell:1.0:beta10:*:*:*:*:*:* Versions 1.0 beta10 Vulnerable ·Zeroshell
- cpe:2.3:a:zeroshell:zeroshell:1.0:beta11:*:*:*:*:*:* Versions 1.0 beta11 Vulnerable ·Zeroshell
- cpe:2.3:a:zeroshell:zeroshell:1.0:beta2:*:*:*:*:*:* Versions 1.0 beta2 Vulnerable ·Zeroshell
- cpe:2.3:a:zeroshell:zeroshell:1.0:beta3:*:*:*:*:*:* Versions 1.0 beta3 Vulnerable ·Zeroshell
- cpe:2.3:a:zeroshell:zeroshell:1.0:beta4:*:*:*:*:*:* Versions 1.0 beta4 Vulnerable ·Zeroshell
- cpe:2.3:a:zeroshell:zeroshell:1.0:beta5:*:*:*:*:*:* Versions 1.0 beta5 Vulnerable ·Zeroshell
- cpe:2.3:a:zeroshell:zeroshell:1.0:beta6:*:*:*:*:*:* Versions 1.0 beta6 Vulnerable ·Zeroshell
- cpe:2.3:a:zeroshell:zeroshell:1.0:beta7:*:*:*:*:*:* Versions 1.0 beta7 Vulnerable ·Zeroshell
- cpe:2.3:a:zeroshell:zeroshell:1.0:beta8:*:*:*:*:*:* Versions 1.0 beta8 Vulnerable ·Zeroshell
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-0545
- 2026-10-03 Alias added: GHSA-9p53-hww6-pm2p
References
More Zeroshell vulnerabilities
- TI-2019-09518 Zeroshell 3.9.0 is prone to a remote command execution vulnerability. CVSS 3.0CRITICAL 9.8
- TI-2020-17668 Zeroshell 3.9.3 contains a command injection vulnerability in the /cgi-bin/kerbynet… CVSS 3.1CRITICAL 9.8
- TI-2021-18395 ZeroShell 3.9.5 has a command injection vulnerability in /cgi-bin/kerbynet IP parameter… CVSS 3.1HIGH 8.8
Sources
- CVE-2009-0545 · CVE Program
- CVE-2009-0545 · NVD
- FIRST EPSS
- GHSA-9p53-hww6-pm2p · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences