CVE-2006-1656

CVE-2006-1656 is a high-severity vulnerability in Vserver Util-vserver with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

vserver in util-vserver 0.30.209 executes a command as root when the suexec userid parameter is invalid and non-numeric, which might cause local users to inadvertently execute dangerous commands as root.

Frequently asked questions

What is CVE-2006-1656?
vserver in util-vserver 0.30.209 executes a command as root when the suexec userid parameter is invalid and non-numeric, which might cause local users to inadvertently execute dangerous commands as root.
How severe is CVE-2006-1656?
CVE-2006-1656 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2006-1656 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-1656?
CVE-2006-1656 primarily affects Vserver Util-vserver. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-1656?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-1656 published?
CVE-2006-1656 was published on 2006-04-06 and last updated on 2026-06-16.

References

Affected products (2)

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