CVE-2023-23749: The 'LDAP Integration with Active Directory and OpenLDAP - NTLM & Kerberos Login' extension is vulnerable to L

This month

HIGH 7.5REMOTEDOWNGRADE

CVE-2023-23749 is a high-severity flaw (CVSS 7.5) affecting ldap integration with active directory and openldap. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The 'LDAP Integration with Active Directory and OpenLDAP - NTLM & Kerberos Login' extension is vulnerable to LDAP Injection since is not properly sanitizing the 'username' POST parameter. An attacker can manipulate this paramter to dump arbitrary contents form the LDAP Database.

Why this priority

High severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-74
Published	2023-01-17
Last modified	2026-06-17

Publisher (CNA): Joomla! Project · Vendor: miniorange

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-01-17 20:15 UTCPublished CVE record published
2026-06-17 05:37 UTCUpdated Record last modified

miniorange ldap integration with active directory and openldap DOWNGRADE

Affected: 5.0.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.0.2

1. Check installed version

apt-cache policy ldap-integration-with-active-directory-and-openldap || rpm -q ldap-integration-with-active-directory-and-openldap || ldap-integration-with-active-directory-and-openldap --version

2. No fixed release: DOWNGRADE to a release before 5.0.2 (Debian / Ubuntu)

apt-cache madison ldap-integration-with-active-directory-and-openldap sudo apt install ldap-integration-with-active-directory-and-openldap=<VERSION_BEFORE_5.0.2> sudo apt-mark hold ldap-integration-with-active-directory-and-openldap

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

dnf --showduplicates list ldap-integration-with-active-directory-and-openldap sudo dnf downgrade ldap-integration-with-active-directory-and-openldap-<VERSION_BEFORE_5.0.2> sudo dnf versionlock add ldap-integration-with-active-directory-and-openldap

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-2023-23749?

ldap integration with active directory and openldap: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-23749 being exploited?

CVE-2023-23749 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-2023-23749 affect?

CVE-2023-23749 affects ldap integration with active directory and openldap. Severity is high (CVSS 7.5). The 'LDAP Integration with Active Directory and OpenLDAP - NTLM & Kerberos Login' extension is vulnerable to LDAP Injection since is not properly sanitizing the 'username' POST parameter. An attacker can manipulate this paramter to dump arb

How urgent is CVE-2023-23749?

Priority 43/100. High severity; Remotely exploitable, no login, no user action

Software pages

Active Directory vulnerabilities · OpenLDAP vulnerabilities

References

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