CVE-2002-0263: Buffer overflow in EasyBoard 2000 1.27 (aka EZboard) allows remote attackers to execute arbitrary code via a l

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HIGH 7.5DOWNGRADE

CVE-2002-0263 is a high-severity flaw (CVSS 7.5) affecting ezboard 2000. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in EasyBoard 2000 1.27 (aka EZboard) allows remote attackers to execute arbitrary code via a long boundary value in a multipart Content-Type header to (1) ezboard.cgi, (2) ezman.cgi, or (3) ezadmin.cgi.

Why this priority

High severity
EPSS top 4%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	13.0% (top 4%)
CISA exploited list	No
Published	2002-05-29
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: ezne.net

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

Am I affected?

Timeline

2002-05-29 04:00 UTCPublished CVE record published
2026-06-16 21:57 UTCUpdated Record last modified

ezne.net ezboard 2000 DOWNGRADE

Affected: 1.27

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.27

1. Check installed version

apt-cache policy ezboard-2000 || rpm -q ezboard-2000 || ezboard-2000 --version

2. No fixed release: DOWNGRADE to a release before 1.27 (Debian / Ubuntu)

apt-cache madison ezboard-2000 sudo apt install ezboard-2000=<VERSION_BEFORE_1.27> sudo apt-mark hold ezboard-2000

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

dnf --showduplicates list ezboard-2000 sudo dnf downgrade ezboard-2000-<VERSION_BEFORE_1.27> sudo dnf versionlock add ezboard-2000

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: EZNE.NET Ezboard 2000 - Remote Buffer Overflow

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-2002-0263?

ezboard 2000: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2002-0263 being exploited?

CVE-2002-0263 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-2002-0263 affect?

CVE-2002-0263 affects ezboard 2000. Severity is high (CVSS 7.5). Buffer overflow in EasyBoard 2000 1.27 (aka EZboard) allows remote attackers to execute arbitrary code via a long boundary value in a multipart Content-Type header to (1) ezboard.cgi, (2) ezman.cgi, or (3) ezadmin.cgi.

How urgent is CVE-2002-0263?

Priority 55/100. High severity; EPSS top 4%: very likely to be exploited; Public exploit reference

References

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