CVE-2004-0227: Buffer overflow in the zms script in ZoneMinder before 1.19.2 may allow a remote attacker to execute arbitrary

This month

HIGH 7.5DOWNGRADE

CVE-2004-0227 is a high-severity flaw (CVSS 7.5) affecting zoneminder. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in the zms script in ZoneMinder before 1.19.2 may allow a remote attacker to execute arbitrary code via a long query string.

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	3.2% (top 12%)
CISA exploited list	No
Published	2004-06-14
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: triornis

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

Am I affected?

Timeline

2004-06-14 04:00 UTCPublished CVE record published
2026-06-16 22:05 UTCUpdated Record last modified

triornis zoneminder DOWNGRADE

Affected: 1.17.0 · 1.17.1 · 1.17.2 · 1.18.0 · 1.18.1 · 1.19.0 · 1.19.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.17.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.17.0 (Debian / Ubuntu)

apt-cache madison zoneminder sudo apt install zoneminder=<VERSION_BEFORE_1.17.0> sudo apt-mark hold zoneminder

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

dnf --showduplicates list zoneminder sudo dnf downgrade zoneminder-<VERSION_BEFORE_1.17.0> sudo dnf versionlock add zoneminder

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-2004-0227?

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

Is CVE-2004-0227 being exploited?

CVE-2004-0227 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-2004-0227 affect?

CVE-2004-0227 affects zoneminder. Severity is high (CVSS 7.5). Buffer overflow in the zms script in ZoneMinder before 1.19.2 may allow a remote attacker to execute arbitrary code via a long query string.

How urgent is CVE-2004-0227?

Priority 48/100. High severity

Related CVEs

CVE-2023-31493 MEDIUM 6.6 UPGRADE RCE (Remote Code Execution) exists in ZoneMinder through 1.36.33 as an attacker can create a new .php log file
CVE-2026-27470 HIGH 8.8 UPGRADE ZoneMinder is a free, open source closed-circuit television software application
CVE-2025-65791 CRITICAL 9.8 DOWNGRADE ZoneMinder v1.36.34 is vulnerable to Command Injection in web/views/image.php
CVE-2024-43360 CRITICAL 9.8 UPGRADE ZoneMinder is a free, open source closed-circuit television software application
CVE-2024-43359 NONE 0.0 UPGRADE ZoneMinder is a free, open source closed-circuit television software application

References

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