CVE-2021-35473

EUVD-2021-22115
An issue was discovered in LemonLDAP::NG before 2.0.12. There is a missing expiration check in the OAuth2.0 handler, i.e., it does not verify access token validity. An attacker can use a expired access token from an OIDC client to access the OAuth2 handler The earliest affected version is 2.0.4.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.1 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
lemonldap-nglemonldap-ng
𝑥
< 2.0.12
ADP
Debian logo
Debian Releases
Debian Product
Codename
lemonldap-ng
bookworm
2.16.1+ds-deb12u2
fixed
bullseye
2.0.11+ds-4+deb11u5
fixed
buster
not-affected
sid
2.20.0+ds-2
fixed
stretch
not-affected
trixie
2.20.0+ds-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
lemonldap-ng
bionic
needs-triage
focal
needs-triage
hirsute
ignored
impish
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
dne
xenial
needs-triage
Common Weakness Enumeration
References
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2549
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/tags