CVE-2001-0626: O'Reilly Website Professional 2.5.4 and earlier allows remote attackers to determine the physical path to the

Q: How do I fix CVE-2001-0626?

website professional: upgrade to newer than 2.5.4. Exact commands for each OS are on this page.

Q: Is CVE-2001-0626 being exploited?

CVE-2001-0626 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2001-0626 affect?

CVE-2001-0626 affects website professional. Severity is high (CVSS 7.5). O'Reilly Website Professional 2.5.4 and earlier allows remote attackers to determine the physical path to the root directory via a URL request containing a ":" character.

Q: How urgent is CVE-2001-0626?

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

This month

HIGH 7.5UPGRADE

CVE-2001-0626 is a high-severity flaw (CVSS 7.5) affecting website professional. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

O'Reilly Website Professional 2.5.4 and earlier allows remote attackers to determine the physical path to the root directory via a URL request containing a ":" character.

Why this priority

High severity
EPSS top 6%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	7.0% (top 6%)
CISA exploited list	No
Published	2001-08-22
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: oreilly

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

Am I affected?

Timeline

2001-08-22 04:00 UTCPublished CVE record published
2026-06-16 21:54 UTCUpdated Record last modified

oreilly website professional UPGRADE

Affected: <= 2.5.4

Fixed in: newer than 2.5.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy website-professional || rpm -q website-professional || website-professional --version

2. UPGRADE to newer than 2.5.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade website-professional

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade website-professional

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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: OReilly Software WebSite Professional 2.5.4 - Path Disclosure

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-2001-0626?

website professional: upgrade to newer than 2.5.4. Exact commands for each OS are on this page.

Is CVE-2001-0626 being exploited?

CVE-2001-0626 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-2001-0626 affect?

CVE-2001-0626 affects website professional. Severity is high (CVSS 7.5). O'Reilly Website Professional 2.5.4 and earlier allows remote attackers to determine the physical path to the root directory via a URL request containing a ":" character.

How urgent is CVE-2001-0626?

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

Related CVEs

CVE-2000-0623 HIGH 10.0 DOWNGRADE Buffer overflow in O'Reilly WebSite Professional web server 2.4 and earlier allows remote attackers to execute
CVE-2000-0622 HIGH 10.0 DOWNGRADE Buffer overflow in Webfind CGI program in O'Reilly WebSite Professional web server 2.x allows remote attackers

References

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