CVE-2019-19791

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-05-29 · updated 2026-06-17

Description

In LemonLDAP::NG (aka lemonldap-ng) before 2.0.7, the default Apache HTTP Server configuration does not properly restrict access to SOAP/REST endpoints (when some LemonLDAP::NG setup options are used). For example, an attacker can insert index.fcgi/index.fcgi into a URL to bypass a Require directive.

Affected products

lemonldap-ng Lemonldap::Ng: before 2.0.7 — fixed in 2.0.7

How to fix

Upgrade to a fixed version: lemonldap-ng Lemonldap::Ng 2.0.7. Check the vendor advisory for mitigations.

References

https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/issues/1943
https://projects.ow2.org/view/lemonldap-ng/lemonldap-ng-2-0-7-is-out
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/issues/1943
https://projects.ow2.org/view/lemonldap-ng/lemonldap-ng-2-0-7-is-out

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