CVE-2006-6131

CVE-2006-6131 is a medium-severity vulnerability in Kerio Webstar with a CVSS 2.0 base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

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.

Frequently asked questions

What is CVE-2006-6131?
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.
How severe is CVE-2006-6131?
CVE-2006-6131 has a CVSS 2.0 base score of 6.2, rated medium severity.
Is CVE-2006-6131 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-6131?
CVE-2006-6131 primarily affects Kerio Webstar. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-6131?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-6131 published?
CVE-2006-6131 was published on 2006-11-28 and last updated on 2026-06-16.

References

Affected products (15)