Lack of URL normalization may lead to authorization bypass when URL access rules are used
Impact
When access rules are used inside a protected host, some URL encodings may bypass filtering system.
Patches
Version 0.5.2 includes a patch that fixes the vulnerability
Workarounds
No way for users to fix or remediate the vulnerability without upgrading
References
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2290
For more information
If you have any questions or comments about this advisory:
- Open an issue in this repository or LemonLDAP::NG GitLab
- Email us at lemonldap-ng-users@ow2.org
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | lemonldap-ng-handler | < 0.5.2 | 0.5.2 |
References
- https://github.com/LemonLDAPNG/node-lemonldap-ng-handler/security/advisories/GHSA-x44x-r84w-8v67
- https://nvd.nist.gov/vuln/detail/CVE-2020-24660
- https://github.com/LemonLDAPNG/node-lemonldap-ng-handler/commit/136aa83ed431462fa42ce17b7f9b24e056de06be
- https://github.com/LemonLDAPNG/node-lemonldap-ng-handler
- https://github.com/LemonLDAPNG/node-lemonldap-ng-handler/releases/tag/0.5.2
- https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2290
- https://snyk.io/vuln/SNYK-JS-NODELEMONLDAPNGHANDLER-655999
- https://www.debian.org/security/2020/dsa-4762
- https://www.npmjs.com/package/lemonldap-ng-handler
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N- Weakness (CWE)
CWE-287- Platform
- npm
- Package
lemonldap-ng-handler- Disclosed
- 09.09.2020
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-x44x-r84w-8v67 - CC BY 4.0
Vulnerability history: lemonldap-ng-handler
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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