CVE-2006-6131Untrusted search path vulnerability in (1) WSAdminServer and (2) WSWebServer in Kerio WebSTAR (4D WebSTAR Server Suite) 5.4.2 and earlier…
- 6.2MediumCVSS base score
- 0.89%Exploitation in 30 daysEPSS · top 40% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Show the exploits1
Exploit-DB1 entry
- Kerio WebSTAR 5.4.2 (OSX) - 'libucache.dylib' Local Privilege Escalation (Exploit-DB entry) (opens in a new tab)
EDB-ID 2788local, osxpublished 15 Nov 2006Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 1 day later
· 1 day later
Published
- 18 years later
· 18 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.2 | AV:L/AC:H/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 0.89% · top 40% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.2.
Affected products
n/a
- affected n/a
References
References9
- 21123 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 1017239 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- kerio-webstar-privilege-escalation(30308) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://www.digitalmunition.com/DMA%5B2006-1115a%5D.txt (opens in a new tab)x_refsource_MISCx_transferred
- 20061116 Kerio WebSTAR local privilege escalation (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 30450 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 1921 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- ADV-2006-4539 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 22906 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2006-6114 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2006-6131)Record last updated .