CVE-2005-3913: Unspecified vulnerability in the domain alias management in Virtual Hosting Control System (VHCS) 2.4.6.2, rel

Routine

MEDIUM 5.0DOWNGRADE

CVE-2005-3913 is a medium-severity flaw (CVSS 5.0) affecting vchs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unspecified vulnerability in the domain alias management in Virtual Hosting Control System (VHCS) 2.4.6.2, related to "creating and deleting forwards for domain aliases," allows users to hijack the forwardings of other users.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.2% (top 33%)
CISA exploited list	No
Published	2005-11-30
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: vchs

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

Am I affected?

Timeline

2005-11-30 11:03 UTCPublished CVE record published
2026-06-16 22:17 UTCUpdated Record last modified

vchs vchs DOWNGRADE

Affected: 2.4.6.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.4.6.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.4.6.2 (Debian / Ubuntu)

apt-cache madison vchs sudo apt install vchs=<VERSION_BEFORE_2.4.6.2> sudo apt-mark hold vchs

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

dnf --showduplicates list vchs sudo dnf downgrade vchs-<VERSION_BEFORE_2.4.6.2> sudo dnf versionlock add vchs

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-2005-3913?

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

Is CVE-2005-3913 being exploited?

CVE-2005-3913 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-2005-3913 affect?

CVE-2005-3913 affects vchs. Severity is medium (CVSS 5.0). Unspecified vulnerability in the domain alias management in Virtual Hosting Control System (VHCS) 2.4.6.2, related to "creating and deleting forwards for domain aliases," allows users to hijack the forwardings of other users.

How urgent is CVE-2005-3913?

Priority 34/100. No elevated risk signals yet.

References

← Back to latest CVEs