{"id":"UBUNTU-CVE-2021-33900","details":"While investigating DIRSTUDIO-1219 it was noticed that configured StartTLS encryption was not applied when any SASL authentication mechanism (DIGEST-MD5, GSSAPI) was used. While investigating DIRSTUDIO-1220 it was noticed that any configured SASL confidentiality layer was not applied. This issue affects Apache Directory Studio version 2.0.0.v20210213-M16 and prior versions.","modified":"2026-05-20T16:05:02.471074017Z","published":"2021-07-26T07:15:00Z","upstream":["CVE-2021-33900"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-33900"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2021/07/24/1"},{"type":"REPORT","url":"https://lists.apache.org/thread.html/rb1dbcc43a5b406e45d335343a1704f4233de613140a01929d102fdc9%40%3Cusers.directory.apache.org%3E"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-33900"}],"affected":[{"package":{"name":"apache-directory-server","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/apache-directory-server?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.0~M15-1","2.0.0~M15-2","2.0.0~M15-3"],"ecosystem_specific":{"binaries":[{"binary_name":"apacheds","binary_version":"2.0.0~M15-3"},{"binary_name":"libapacheds-i18n-java","binary_version":"2.0.0~M15-3"},{"binary_name":"libapacheds-java","binary_version":"2.0.0~M15-3"},{"binary_version":"2.0.0~M15-3","binary_name":"libapacheds-kerberos-codec-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33900.json"}},{"package":{"name":"apache-directory-server","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/apache-directory-server?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.0~M15-4","2.0.0~M24-2~18.04"],"ecosystem_specific":{"binaries":[{"binary_name":"apacheds","binary_version":"2.0.0~M24-2~18.04"},{"binary_name":"libapacheds-i18n-java","binary_version":"2.0.0~M24-2~18.04"},{"binary_name":"libapacheds-java","binary_version":"2.0.0~M24-2~18.04"},{"binary_version":"2.0.0~M24-2~18.04","binary_name":"libapacheds-kerberos-codec-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33900.json"}},{"package":{"name":"apache-directory-server","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/apache-directory-server?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.0~M24-3"],"ecosystem_specific":{"binaries":[{"binary_name":"apacheds","binary_version":"2.0.0~M24-3"},{"binary_name":"libapacheds-i18n-java","binary_version":"2.0.0~M24-3"},{"binary_version":"2.0.0~M24-3","binary_name":"libapacheds-java"},{"binary_version":"2.0.0~M24-3","binary_name":"libapacheds-kerberos-codec-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33900.json"}},{"package":{"name":"apache-directory-server","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/apache-directory-server?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.0~M24-4"],"ecosystem_specific":{"binaries":[{"binary_version":"2.0.0~M24-4","binary_name":"apacheds"},{"binary_name":"libapacheds-i18n-java","binary_version":"2.0.0~M24-4"},{"binary_name":"libapacheds-java","binary_version":"2.0.0~M24-4"},{"binary_version":"2.0.0~M24-4","binary_name":"libapacheds-kerberos-codec-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33900.json"}},{"package":{"name":"apache-directory-server","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/apache-directory-server?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.0~M26-1","2.0.0~M26-3","2.0.0~M26-4"],"ecosystem_specific":{"binaries":[{"binary_version":"2.0.0~M26-4","binary_name":"apacheds"},{"binary_name":"libapacheds-i18n-java","binary_version":"2.0.0~M26-4"},{"binary_name":"libapacheds-java","binary_version":"2.0.0~M26-4"},{"binary_version":"2.0.0~M26-4","binary_name":"libapacheds-kerberos-codec-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33900.json"}},{"package":{"name":"apache-directory-server","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/apache-directory-server?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.0~M26-5"],"ecosystem_specific":{"binaries":[{"binary_name":"apacheds","binary_version":"2.0.0~M26-5"},{"binary_name":"libapacheds-i18n-java","binary_version":"2.0.0~M26-5"},{"binary_name":"libapacheds-java","binary_version":"2.0.0~M26-5"},{"binary_version":"2.0.0~M26-5","binary_name":"libapacheds-kerberos-codec-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33900.json"}},{"package":{"name":"apache-directory-server","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/apache-directory-server?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.0~M26-5","2.0.0~M26-5build1"],"ecosystem_specific":{"binaries":[{"binary_name":"apacheds","binary_version":"2.0.0~M26-5build1"},{"binary_name":"libapacheds-i18n-java","binary_version":"2.0.0~M26-5build1"},{"binary_version":"2.0.0~M26-5build1","binary_name":"libapacheds-java"},{"binary_version":"2.0.0~M26-5build1","binary_name":"libapacheds-kerberos-codec-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33900.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"low"}]}