CVE-2006-2110: Virtual Private Server (Vserver) 2.0.x before 2.0.2-rc18 and 2.1.x before 2.1.1-rc18 provides certain context

Routine

LOW 2.1DOWNGRADE

CVE-2006-2110 is a low-severity flaw (CVSS 2.1) affecting vserver. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Virtual Private Server (Vserver) 2.0.x before 2.0.2-rc18 and 2.1.x before 2.1.1-rc18 provides certain context capabilities (ccaps) that allow local guest users to perform operations that were only intended to be allowed by the guest-root.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	2.1 (Low)
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Published	2006-05-01
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: virtual private server

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2006-05-01 19:06 UTCPublished CVE record published
2026-06-16 22:24 UTCUpdated Record last modified

virtual private server vserver DOWNGRADE

Affected: 2.0.2 · 2.1.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0.2

1. Check installed version

apt-cache policy vserver || rpm -q vserver || vserver --version

2. No fixed release: DOWNGRADE to a release before 2.0.2 (Debian / Ubuntu)

apt-cache madison vserver sudo apt install vserver=<VERSION_BEFORE_2.0.2> sudo apt-mark hold vserver

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list vserver sudo dnf downgrade vserver-<VERSION_BEFORE_2.0.2> sudo dnf versionlock add vserver

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2006-2110?

vserver: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-2110 being exploited?

CVE-2006-2110 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2006-2110 affect?

CVE-2006-2110 affects vserver. Severity is low (CVSS 2.1). Virtual Private Server (Vserver) 2.0.x before 2.0.2-rc18 and 2.1.x before 2.1.1-rc18 provides certain context capabilities (ccaps) that allow local guest users to perform operations that were only intended to be allowed by the guest-root.

How urgent is CVE-2006-2110?

Priority 23/100. Public exploit reference

References

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