CVE-2001-1457: Buffer overflow in CrazyWWWBoard 2000p4 and 2000LEp5 allows remote attackers to execute arbitrary code via a l

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HIGH 7.5DOWNGRADE

CVE-2001-1457 is a high-severity flaw (CVSS 7.5) affecting crazywwwboard. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in CrazyWWWBoard 2000p4 and 2000LEp5 allows remote attackers to execute arbitrary code via a long HTTP_USER_AGENT CGI environment variable.

Why this priority

High severity
EPSS top 6%: 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	6.3% (top 6%)
CISA exploited list	No
Published	2002-01-30
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: nobreak technologies

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

Am I affected?

Timeline

2002-01-30 05:00 UTCPublished CVE record published
2026-06-16 21:56 UTCUpdated Record last modified

nobreak technologies crazywwwboard DOWNGRADE

Affected: 2000lep5 · 2000p4

Fixed in: no fixed release known

Safe to downgrade to: a release before 2000lep5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2000lep5 (Debian / Ubuntu)

apt-cache madison crazywwwboard sudo apt install crazywwwboard=<VERSION_BEFORE_2000lep5> sudo apt-mark hold crazywwwboard

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

dnf --showduplicates list crazywwwboard sudo dnf downgrade crazywwwboard-<VERSION_BEFORE_2000lep5> sudo dnf versionlock add crazywwwboard

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-2001-1457?

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

Is CVE-2001-1457 being exploited?

CVE-2001-1457 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-2001-1457 affect?

CVE-2001-1457 affects crazywwwboard. Severity is high (CVSS 7.5). Buffer overflow in CrazyWWWBoard 2000p4 and 2000LEp5 allows remote attackers to execute arbitrary code via a long HTTP_USER_AGENT CGI environment variable.

How urgent is CVE-2001-1457?

Priority 55/100. High severity; EPSS top 6%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2001-0173 HIGH 10.0 DOWNGRADE DOWNGRADE Buffer overflow in qDecoder library 5.08 and earlier, as used in CrazyWWWBoard, CrazySearch, and other CGI pro

References

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