{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-41720","assignerOrgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","state":"PUBLISHED","assignerShortName":"vmware","dateReserved":"2026-04-22T06:21:37.021Z","datePublished":"2026-06-09T03:48:56.229Z","dateUpdated":"2026-06-23T20:47:25.024Z"},"containers":{"cna":{"providerMetadata":{"orgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","shortName":"vmware","dateUpdated":"2026-06-23T20:47:25.024Z"},"title":"Authentication Bypass with Empty Password in Spring LDAP","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-287","description":"CWE-287: Improper Authentication","type":"CWE"}]}],"impacts":[{"descriptions":[{"lang":"en","value":"An attacker with a valid username and an empty password can bypass password verification on LDAP servers that permit unauthenticated binds, gaining unauthorized access."}]}],"affected":[{"vendor":"Spring","product":"Spring LDAP","versions":[{"status":"affected","version":"2.4.0","lessThan":"2.4.5","versionType":"custom"},{"status":"affected","version":"3.2.0","lessThan":"3.2.18","versionType":"custom"},{"status":"affected","version":"3.3.0","lessThan":"3.3.7.1","versionType":"custom"},{"status":"affected","version":"4.0.0","lessThan":"4.0.3.1","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"Spring LDAP's DirContextAuthenticationStrategy implementations do not reject a bind request where a non-empty username is paired with an empty or null password.\n\nAffected versions:\nSpring LDAP 2.4.0 through 2.4.4; 3.2.0 through 3.2.17; 3.3.0 through 3.3.7; 4.0.0 through 4.0.3.","supportingMedia":[{"type":"text/html","base64":false,"value":"Spring LDAP's DirContextAuthenticationStrategy implementations do not reject a bind request where a non-empty username is paired with an empty or null password.\n\nAffected versions:\nSpring LDAP 2.4.0 through 2.4.4; 3.2.0 through 3.2.17; 3.3.0 through 3.3.7; 4.0.0 through 4.0.3."}]}],"references":[{"url":"https://spring.io/security/cve-2026-41720"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE","baseSeverity":"HIGH","baseScore":7.4,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"}}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.1"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-09T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-41720"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-10T03:58:34.141Z"}}]}}