CVE-2009-0545

Exp

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.

Published: 2009-02-12 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-0545 is rated High Exploit Risk (89.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 93.51%, 100th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2009-0545

EDB-ID Source Kind Published Link
8023 exploit_db edb 2009-02-09 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-0545

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-22 93.94% 93.51% -0.43%
2 2026-03-18 94.01% 93.94% -0.06%
3 2025-12-22 — 94.01% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-0545

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2009-0545

Affected software / configurations for CVE-2009-0545

Vendor Product Version Raw CPE
zeroshell zeroshell 1.0 cpe:2.3:a:zeroshell:zeroshell:1.0:beta1:*:*:*:*:*:*
zeroshell zeroshell 1.0 cpe:2.3:a:zeroshell:zeroshell:1.0:beta10:*:*:*:*:*:*
zeroshell zeroshell 1.0 cpe:2.3:a:zeroshell:zeroshell:1.0:beta11:*:*:*:*:*:*
zeroshell zeroshell 1.0 cpe:2.3:a:zeroshell:zeroshell:1.0:beta2:*:*:*:*:*:*
zeroshell zeroshell 1.0 cpe:2.3:a:zeroshell:zeroshell:1.0:beta3:*:*:*:*:*:*
zeroshell zeroshell 1.0 cpe:2.3:a:zeroshell:zeroshell:1.0:beta4:*:*:*:*:*:*
zeroshell zeroshell 1.0 cpe:2.3:a:zeroshell:zeroshell:1.0:beta5:*:*:*:*:*:*
zeroshell zeroshell 1.0 cpe:2.3:a:zeroshell:zeroshell:1.0:beta6:*:*:*:*:*:*
zeroshell zeroshell 1.0 cpe:2.3:a:zeroshell:zeroshell:1.0:beta7:*:*:*:*:*:*
zeroshell zeroshell 1.0 cpe:2.3:a:zeroshell:zeroshell:1.0:beta8:*:*:*:*:*:*
zeroshell zeroshell 1.0 cpe:2.3:a:zeroshell:zeroshell:1.0:beta9:*:*:*:*:*:*

References for CVE-2009-0545

cvelogic Threat Intelligence