Internet2 Grouper before 5.6 allows authentication bypass when LDAP authentication is used in certain ways. This is related to internet2.middleware.grouper.ws.security.WsGrouperLdapAuthentication and the use of the UyY29r password for the M3vwHr account. This also affects "Grouper for Web Services" before 4.13.1.
Conclusion & alert: CVE-2024-39848 is rated Moderate Risk (48.9/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.44%).Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
Exploit prediction scoring system (EPSS) score for CVE-2024-39848
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).