CVE-2021-40874
First published: Sun Jul 17 2022(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| LemonLDAP::NG | =\-ng | |
| Debian Linux | =10.0 |
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Frequently Asked Questions
What is the severity of CVE-2021-40874?
CVE-2021-40874 has been rated as a high severity vulnerability due to its potential to allow unauthorized access when exploiting improper authentication methods.
How do I fix CVE-2021-40874?
To fix CVE-2021-40874, you should upgrade to LemonLDAP::NG version 2.0.14 or later, which includes a patch for this vulnerability.
What software versions are affected by CVE-2021-40874?
CVE-2021-40874 affects LemonLDAP::NG version 2.0.13 specifically, as well as Debian GNU/Linux 10.0 if using the vulnerable plugin.
What authentication methods are involved in CVE-2021-40874?
CVE-2021-40874 involves the Kerberos authentication method in combination with other methods within the RESTServer plug-in.
Can CVE-2021-40874 be exploited remotely?
Yes, CVE-2021-40874 can potentially be exploited remotely, allowing attackers to bypass authentication under certain conditions.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
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- agent/event
- agent/first-publish-date
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- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/lemonldap-ng
- canonical/lemonldap::ng
- version/lemonldap::ng/\-ng
- vendor/debian
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- version/debian linux/10.0