What’s Vulnerable › Vulnerabilities

CVE-2023-44469

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-09-29 · updated 2026-06-17
• Weakness: CWE-918

Description

A Server-Side Request Forgery issue in the OpenID Connect Issuer in LemonLDAP::NG before 2.17.1 allows authenticated remote attackers to send GET requests to arbitrary URLs through the request_uri authorization parameter. This is similar to CVE-2020-10770.

Affected products

• lemonldap-ng Lemonldap::Ng: before 2.17.1 — fixed in 2.17.1

How to fix

Upgrade to a fixed version: lemonldap-ng Lemonldap::Ng 2.17.1. Check the vendor advisory for mitigations.

References

• https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2998
• https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/releases/v2.17.1
• https://lists.debian.org/debian-lts-announce/2023/10/msg00014.html
• https://security.lauritz-holtmann.de/post/sso-security-ssrf/
• https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2998
• https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/releases/v2.17.1
• https://lists.debian.org/debian-lts-announce/2023/10/msg00014.html
• https://security.lauritz-holtmann.de/post/sso-security-ssrf/

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