CVE-2005-1641: mod_channel in The Ignition Project ignitionServer 0.3.0 to 0.3.6, and possibly earlier versions, does not all

Routine

LOW 2.1DOWNGRADE

CVE-2005-1641 is a low-severity flaw (CVSS 2.1) affecting ignitionserver. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

mod_channel in The Ignition Project ignitionServer 0.3.0 to 0.3.6, and possibly earlier versions, does not allow protected operators to access channels that have been locked out by a key, which allows IRC users to cause a denial of service.

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 58%)
CISA exploited list	No
Published	2005-05-17
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: the ignition project

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

Am I affected?

Timeline

2005-05-17 04:00 UTCPublished CVE record published
2026-06-16 22:13 UTCUpdated Record last modified

the ignition project ignitionserver DOWNGRADE

Affected: 0.3.0 · 0.3.1 · 0.3.2 · 0.3.3 · 0.3.4 · 0.3.5 · 0.3.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.3.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.3.0 (Debian / Ubuntu)

apt-cache madison ignitionserver sudo apt install ignitionserver=<VERSION_BEFORE_0.3.0> sudo apt-mark hold ignitionserver

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

dnf --showduplicates list ignitionserver sudo dnf downgrade ignitionserver-<VERSION_BEFORE_0.3.0> sudo dnf versionlock add ignitionserver

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-2005-1641?

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

Is CVE-2005-1641 being exploited?

CVE-2005-1641 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-2005-1641 affect?

CVE-2005-1641 affects ignitionserver. Severity is low (CVSS 2.1). mod_channel in The Ignition Project ignitionServer 0.3.0 to 0.3.6, and possibly earlier versions, does not allow protected operators to access channels that have been locked out by a key, which allows IRC users to cause a denial of service.

How urgent is CVE-2005-1641?

Priority 23/100. Public exploit reference

Related CVEs

CVE-2005-1640 HIGH 7.5 DOWNGRADE mod_channel.bas in The Ignition Project ignitionServer 0.3.0 to 0.3.6, and possibly earlier versions, does not
CVE-2004-2553 MEDIUM 6.0 DOWNGRADE The Ignition Project ignitionServer 0.1.2 through 0.1.2-R2 allows remote authenticated users with local IRC op
CVE-2004-2431 HIGH 7.5 DOWNGRADE Unknown vulnerability in The Ignition Project ignitionServer 0.1.2 through 0.3.1, with the linking service ena

References

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