pac4j-core before 6.5.6 Authorization Bypass via Reversed Profile Type Check
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.6epss 0.3%
exploitation probability
0.3%top 77% of all CVEs
observed exploitation
nono source reports it
pac4j-core before 6.5.6 contains an authentication bypass vulnerability in CheckProfileTypeAuthorizer that reverses the profile type validation logic. Attackers can authenticate through a weaker client and access resources requiring a stronger profile type by satisfying generic profile checks.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Affected products
pac4j · pac4jReferences
https://github.com/pac4j/pac4jhttps://github.com/pac4j/pac4j/blob/pac4j-parent-6.5.5/pac4j-core/src/main/java/org/pac4j/core/authorization/authorizer/CheckProfileTypeAuthorizer.javahttps://github.com/pac4j/pac4j/commit/2270c3ff70e93cc43831e75702acd5135531237ehttps://www.pac4j.org/blog/security-advisory-pac4j-core-oidc-saml.htmlhttps://www.vulncheck.com/advisories/pac4j-core-before-6.5.6-authorization-bypass-via-reversed-profile-type-check