CVE-2021-40874
9.8
CRITICAL
CVSS 3.1
EPSS 0.31%
Description
An issue was discovered in LemonLDAP::NG (aka lemonldap-ng) 2.0.13. When using the RESTServer plug-in to operate a REST password validation service (for another LemonLDAP::NG instance, for example) and using the Kerberos authentication method combined with another method with the Combination authentication plug-in, any password will be recognized as valid for an existing user.
How to fix CVE-2021-40874
To remediate CVE-2021-40874, upgrade the affected package to a fixed version below.
- —upgrade to 2.0.11+ds-4+deb11u1 or later
Is CVE-2021-40874 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.0.11+ds-4+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |