CVE-2021-40874

Public Exploit

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.12%
Third-Party Advisory ow2.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2612 patch exploit third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2021-40874?
CVE-2021-40874 has been scored as a critical severity vulnerability.
How to fix CVE-2021-40874?
To fix CVE-2021-40874, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-40874 being actively exploited in the wild?
It is possible that CVE-2021-40874 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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