CVE-2006-6131

Exp

Untrusted search path vulnerability in (1) WSAdminServer and (2) WSWebServer in Kerio WebSTAR (4D WebSTAR Server Suite) 5.4.2 and earlier allows local users with webstar privileges to gain root privileges via a malicious libucache.dylib helper library in the current working directory.

Published: 2006-11-28 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-6131 is rated Exploit Available (52.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.15%). 5 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-2006-6131

EDB-ID Source Kind Published Link
2788 exploit_db edb 2006-11-15 Exploit-DB ↗
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Exploit prediction scoring system (EPSS) score for CVE-2006-6131

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 2025-07-17 0.15% 0.15% +0.01%
2 2025-03-17 0.04% 0.15% +0.10%
3 2023-03-07 — 0.04% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-6131

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.2 2.0 MEDIUM
AV:L/AC:H/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
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.
 1.9 10.0 [email protected]

Weakness enumeration for CVE-2006-6131

OS Trackers for CVE-2006-6131

vendor priority summary link
alpine — CVE-2006-6131: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2006-6131

NVD evaluator notes for CVE-2006-6131

Solution: Successful exploitation requires that the attacker is part of the "admin" group or the "webstar" user.

Affected software / configurations for CVE-2006-6131

Vendor Product Version Raw CPE
kerio webstar <= 5.4.2 cpe:2.3:a:kerio:webstar:*:*:*:*:*:*:*:*
kerio webstar 4.0 cpe:2.3:a:kerio:webstar:4.0:*:*:*:*:*:*:*
kerio webstar 5.1.2 cpe:2.3:a:kerio:webstar:5.1.2:*:*:*:*:*:*:*
kerio webstar 5.1.3 cpe:2.3:a:kerio:webstar:5.1.3:*:*:*:*:*:*:*
kerio webstar 5.2 cpe:2.3:a:kerio:webstar:5.2:*:*:*:*:*:*:*
kerio webstar 5.2.1 cpe:2.3:a:kerio:webstar:5.2.1:*:*:*:*:*:*:*
kerio webstar 5.2.2 cpe:2.3:a:kerio:webstar:5.2.2:*:*:*:*:*:*:*
kerio webstar 5.2.3 cpe:2.3:a:kerio:webstar:5.2.3:*:*:*:*:*:*:*
kerio webstar 5.2.4 cpe:2.3:a:kerio:webstar:5.2.4:*:*:*:*:*:*:*
kerio webstar 5.3 cpe:2.3:a:kerio:webstar:5.3:*:*:*:*:*:*:*
kerio webstar 5.3.1 cpe:2.3:a:kerio:webstar:5.3.1:*:*:*:*:*:*:*
kerio webstar 5.3.2 cpe:2.3:a:kerio:webstar:5.3.2:*:*:*:*:*:*:*
kerio webstar 5.3.3 cpe:2.3:a:kerio:webstar:5.3.3:*:*:*:*:*:*:*
kerio webstar 5.3.4 cpe:2.3:a:kerio:webstar:5.3.4:*:*:*:*:*:*:*
kerio webstar 5.4 cpe:2.3:a:kerio:webstar:5.4:*:*:*:*:*:*:*

References for CVE-2006-6131

cvelogic Threat Intelligence