CVE-2004-2664: John Lim ADOdb Library for PHP before 4.23 allows remote attackers to obtain sensitive information via direct

Q: How do I fix CVE-2004-2664?

adodb: upgrade to newer than 4.22. Exact commands for each OS are on this page.

Q: Is CVE-2004-2664 being exploited?

CVE-2004-2664 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-2004-2664 affect?

CVE-2004-2664 affects adodb. Severity is medium (CVSS 5.0). John Lim ADOdb Library for PHP before 4.23 allows remote attackers to obtain sensitive information via direct requests to certain scripts that result in an undefined value of ADODB_DIR, which reveals the installation path in an error messag

Q: How urgent is CVE-2004-2664?

Priority 35/100. No elevated risk signals yet.

Routine

MEDIUM 5.0UPGRADE

CVE-2004-2664 is a medium-severity flaw (CVSS 5.0) affecting adodb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

John Lim ADOdb Library for PHP before 4.23 allows remote attackers to obtain sensitive information via direct requests to certain scripts that result in an undefined value of ADODB_DIR, which reveals the installation path in an error message.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: john lim

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

john lim adodb UPGRADE

Affected: <= 4.22 · 3.94 · 4.00 · 4.01 · 4.02 · 4.03 · 4.04 · 4.05

Fixed in: newer than 4.22

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 4.22 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade adodb

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade adodb

Note

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

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-2004-2664?

adodb: upgrade to newer than 4.22. Exact commands for each OS are on this page.

Is CVE-2004-2664 being exploited?

CVE-2004-2664 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-2004-2664 affect?

CVE-2004-2664 affects adodb. Severity is medium (CVSS 5.0). John Lim ADOdb Library for PHP before 4.23 allows remote attackers to obtain sensitive information via direct requests to certain scripts that result in an undefined value of ADODB_DIR, which reveals the installation path in an error messag

How urgent is CVE-2004-2664?

Priority 35/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

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References

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