CVE-2021-40874

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 31%
VendorProductVersion
debiandebian_linux
10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
lemonldap-ng
bullseye
2.0.11+ds-4+deb11u5
fixed
stretch
not-affected
bookworm
2.16.1+ds-deb12u2
fixed
sid
2.20.0+ds-2
fixed
trixie
2.20.0+ds-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
lemonldap-ng
noble
needs-triage
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needs-triage
impish
ignored
focal
needed
bionic
needed
xenial
needs-triage
trusty
ignored