CVE-2002-0123: MDG Computer Services Web Server 4D WS4D/eCommerce 3.0 and earlier, and possibly 3.5.3, allows remote attacker

This month

HIGH 7.5DOWNGRADE

CVE-2002-0123 is a high-severity flaw (CVSS 7.5) affecting web server 4d ecommerce. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

MDG Computer Services Web Server 4D WS4D/eCommerce 3.0 and earlier, and possibly 3.5.3, allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long HTTP request.

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	3.3% (top 12%)
CISA exploited list	No
Published	2002-03-25
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mdg computer services

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

Am I affected?

Timeline

2002-03-25 05:00 UTCPublished CVE record published
2026-06-16 21:56 UTCUpdated Record last modified

mdg computer services web server 4d ecommerce DOWNGRADE

Affected: 3.5.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.5.3

1. Check installed version

apt-cache policy web-server-4d-ecommerce || rpm -q web-server-4d-ecommerce || web-server-4d-ecommerce --version

2. No fixed release: DOWNGRADE to a release before 3.5.3 (Debian / Ubuntu)

apt-cache madison web-server-4d-ecommerce sudo apt install web-server-4d-ecommerce=<VERSION_BEFORE_3.5.3> sudo apt-mark hold web-server-4d-ecommerce

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

dnf --showduplicates list web-server-4d-ecommerce sudo dnf downgrade web-server-4d-ecommerce-<VERSION_BEFORE_3.5.3> sudo dnf versionlock add web-server-4d-ecommerce

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-2002-0123?

web server 4d ecommerce: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2002-0123 being exploited?

CVE-2002-0123 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-2002-0123 affect?

CVE-2002-0123 affects web server 4d ecommerce. Severity is high (CVSS 7.5). MDG Computer Services Web Server 4D WS4D/eCommerce 3.0 and earlier, and possibly 3.5.3, allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long HTTP request.

How urgent is CVE-2002-0123?

Priority 48/100. High severity

Related CVEs

CVE-2002-0124 MEDIUM 5.0 DOWNGRADE MDG Computer Services Web Server 4D/eCommerce 3.5.3 allows remote attackers to exploit directory traversal vul

References

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