CVE-2011-3699: John Lim ADOdb Library for PHP 5.11 allows remote attackers to obtain sensitive information via a direct reque

This month

MEDIUM 5.0DOWNGRADE

CVE-2011-3699 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 5.11 allows remote attackers to obtain sensitive information via a direct request to a .php file, which reveals the installation path in an error message, as demonstrated by tests/test-active-record.php and certain other files.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Weakness	CWE-200
Published	2011-09-23
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

2011-09-23 23:55 UTCPublished CVE record published
2026-06-16 23:33 UTCUpdated Record last modified

john lim adodb DOWNGRADE

Affected: 5.11

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.11

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 5.11 (Debian / Ubuntu)

apt-cache madison adodb sudo apt install adodb=<VERSION_BEFORE_5.11> sudo apt-mark hold adodb

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

dnf --showduplicates list adodb sudo dnf downgrade adodb-<VERSION_BEFORE_5.11> sudo dnf versionlock add adodb

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-2011-3699?

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

Is CVE-2011-3699 being exploited?

CVE-2011-3699 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-2011-3699 affect?

CVE-2011-3699 affects adodb. Severity is medium (CVSS 5.0). John Lim ADOdb Library for PHP 5.11 allows remote attackers to obtain sensitive information via a direct request to a .php file, which reveals the installation path in an error message, as demonstrated by tests/test-active-record.php and ce

How urgent is CVE-2011-3699?

Priority 40/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2021-3850 CRITICAL 9.1 UPGRADE MITIGATE Authentication Bypass by Primary Weakness in GitHub repository adodb/adodb prior to 5.20.21.
CVE-2016-7405 CRITICAL 9.8 DOWNGRADE MITIGATE The qstr method in the PDO driver in the ADOdb Library for PHP before 5.x before 5.20.7 might allow remote att
CVE-2016-4855 MEDIUM 6.1 UPGRADE Cross-site scripting vulnerability in ADOdb versions prior to 5.20.6 allows remote attackers to inject arbitra
CVE-2006-4618 MEDIUM 5.1 UPGRADE PHP remote file inclusion vulnerability in adodb-postgres7.inc.php in John Lim ADOdb, possibly 4.01 and earlie
CVE-2006-0806 MEDIUM 4.3 DOWNGRADE Multiple cross-site scripting (XSS) vulnerabilities in ADOdb 4.71, as used in multiple packages such as phpESP

References

← Back to latest CVEs