CVE-2004-2662: Soft3304 04WebServer before 1.41 allows remote attackers to cause a denial of service (resource consumption or

Routine

MEDIUM 5.0DOWNGRADE

CVE-2004-2662 is a medium-severity flaw (CVSS 5.0) affecting 04webserver. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Soft3304 04WebServer before 1.41 allows remote attackers to cause a denial of service (resource consumption or crash) via certain data related to OpenSSL, which causes a thread to terminate but continue to hold resources.

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	1.8% (top 21%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: soft3304

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 22:10 UTCUpdated Record last modified

soft3304 04webserver DOWNGRADE

Affected: 1.41

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.41

1. Check installed version

apt-cache policy 04webserver || rpm -q 04webserver || 04webserver --version

2. No fixed release: DOWNGRADE to a release before 1.41 (Debian / Ubuntu)

apt-cache madison 04webserver sudo apt install 04webserver=<VERSION_BEFORE_1.41> sudo apt-mark hold 04webserver

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

dnf --showduplicates list 04webserver sudo dnf downgrade 04webserver-<VERSION_BEFORE_1.41> sudo dnf versionlock add 04webserver

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-2004-2662?

04webserver: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-2662 being exploited?

CVE-2004-2662 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-2004-2662 affect?

CVE-2004-2662 affects 04webserver. Severity is medium (CVSS 5.0). Soft3304 04WebServer before 1.41 allows remote attackers to cause a denial of service (resource consumption or crash) via certain data related to OpenSSL, which causes a thread to terminate but continue to hold resources.

How urgent is CVE-2004-2662?

Priority 37/100. No elevated risk signals yet.

Software pages

OpenSSL vulnerabilities

Related CVEs

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CVE-2006-4199 MEDIUM 6.8 UPGRADE Cross-site scripting (XSS) vulnerability in Soft3304 04WebServer 1.83 and earlier allows remote attackers to i
CVE-2005-1416 MEDIUM 5.0 DOWNGRADE Directory traversal vulnerability in 04WebServer 1.81 allows remote attackers to read files outside of the web
CVE-2004-2661 MEDIUM 5.0 DOWNGRADE Soft3304 04WebServer before 1.41 does not properly check file names, which allows remote attackers to obtain s
CVE-2004-1514 MEDIUM 5.0 DOWNGRADE 04WebServer 1.42 allows remote attackers to cause a denial of service (fail to restart properly) via an HTTP r

References

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