CVE-2004-2553: The Ignition Project ignitionServer 0.1.2 through 0.1.2-R2 allows remote authenticated users with local IRC op

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MEDIUM 6.0DOWNGRADE

CVE-2004-2553 is a medium-severity flaw (CVSS 6.0) affecting ignitionserver. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Ignition Project ignitionServer 0.1.2 through 0.1.2-R2 allows remote authenticated users with local IRC operator privileges to obtain global IRC operator privileges by using the unofficial umode command with the +ORD argument.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.0 (Medium)
EPSS exploit chance	1.8% (top 22%)
CISA exploited list	No
Published	2004-12-31
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

2004-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:09 UTCUpdated Record last modified

the ignition project ignitionserver DOWNGRADE

Affected: 0.1.2 · 0.1.2_r1 · 0.1.2_r2

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.1.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.1.2 (Debian / Ubuntu)

apt-cache madison ignitionserver sudo apt install ignitionserver=<VERSION_BEFORE_0.1.2> sudo apt-mark hold ignitionserver

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

dnf --showduplicates list ignitionserver sudo dnf downgrade ignitionserver-<VERSION_BEFORE_0.1.2> 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-2004-2553?

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

Is CVE-2004-2553 being exploited?

CVE-2004-2553 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-2004-2553 affect?

CVE-2004-2553 affects ignitionserver. Severity is medium (CVSS 6.0). The Ignition Project ignitionServer 0.1.2 through 0.1.2-R2 allows remote authenticated users with local IRC operator privileges to obtain global IRC operator privileges by using the unofficial umode command with the +ORD argument.

How urgent is CVE-2004-2553?

Priority 41/100. No elevated risk signals yet.

Related CVEs

CVE-2005-1641 LOW 2.1 DOWNGRADE mod_channel in The Ignition Project ignitionServer 0.3.0 to 0.3.6, and possibly earlier versions, does not all
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-2004-2431 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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