{"id":"CVE-2020-16093","aliases":["DEBIAN-CVE-2020-16093","DLA-3287-1","EUVD-2020-8060","GHSA-9c48-27fx-7952","UBUNTU-CVE-2020-16093"],"status":"published","title":"In LemonLDAP::NG (aka lemonldap-ng) through 2.0.8, validity of the X.509 certificate is not...","description":"In LemonLDAP::NG (aka lemonldap-ng) through 2.0.8, validity of the X.509 certificate is not checked by default when connecting to remote LDAP backends, because the default configuration of the Net::LDAPS module for Perl is used.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0078,"percentile":0.56255,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-295"],"published":"2022-07-17T00:00:00Z","modified":"2026-10-26T12:02:27Z","fixes":[{"ecosystem":"Debian:12","package":"lemonldap-ng","fixed_in":["2.0.9+ds-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"lemonldap-ng","fixed_in":["2.0.9+ds-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"lemonldap-ng","fixed_in":["2.0.9+ds-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"lemonldap-ng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.9+ds-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"lemonldap-ng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.9+ds-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"lemonldap-ng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.9+ds-1"}]}]},{"source":"osv","ecosystem":"Debian:10","package":"lemonldap-ng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.2+ds-7+deb10u8"}]}],"versions":["2.0.2+ds-7+deb10u1","2.0.2+ds-7+deb10u2","2.0.2+ds-7+deb10u3","2.0.2+ds-7+deb10u4","2.0.2+ds-7+deb10u5","2.0.2+ds-7+deb10u6","2.0.2+ds-7+deb10u7"],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"lemonldap-ng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.3-1","1.4.6-1","1.4.6-2","1.4.6-3"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"lemonldap-ng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9.10-1","1.9.13-2","1.9.14-1","1.9.15-1","1.9.16-2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"lemonldap-ng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.5+ds-2","2.0.6+ds-2","2.0.7+ds-2"]}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"lemonldap-ng","product":"lemonldap\\"}],"references":[{"url":"https://lemonldap-ng.org/download","tags":["x_transferred","Vendor Advisory","advisory"]},{"url":"https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2250","tags":["x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/01/msg00027.html","tags":["mailing-list","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-16093"},{"url":"https://github.com/advisories/GHSA-9c48-27fx-7952"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-16093","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-16093","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-16093","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-16093","description":"In LemonLDAP::NG (aka lemonldap-ng) through 2.0.8, validity of the X.509 certificate is not checked by default when connecting to remote LDAP backends, because the default configuration of the Net::LDAPS module for Perl is used.","status":"published","published":"2022-07-17T00:00:00Z","modified":"2024-08-04T13:37:53.067Z","updated_at":"2026-11-02T14:35:59.116379Z"}],"euvd":[{"id":"EUVD-2020-8060","description":"In LemonLDAP::NG (aka lemonldap-ng) through 2.0.8, validity of the X.509 certificate is not checked by default when connecting to remote LDAP backends, because the default configuration of the Net::LDAPS module for Perl is used.","status":"published","published":"2022-07-17T00:00:00Z","modified":"2024-08-04T13:37:53Z","updated_at":"2026-11-03T03:07:29.271552Z"}],"ghsa":[{"id":"GHSA-9c48-27fx-7952","title":"In LemonLDAP::NG (aka lemonldap-ng) through 2.0.8, validity of the X.509 certificate is not...","description":"In LemonLDAP::NG (aka lemonldap-ng) through 2.0.8, validity of the X.509 certificate is not checked by default when connecting to remote LDAP backends, because the default configuration of the Net::LDAPS module for Perl is used.","status":"published","published":"2022-07-19T00:00:31Z","modified":"2023-01-28T18:30:46Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:44:37.925447Z"}],"nvd":[{"id":"CVE-2020-16093","description":"In LemonLDAP::NG (aka lemonldap-ng) through 2.0.8, validity of the X.509 certificate is not checked by default when connecting to remote LDAP backends, because the default configuration of the Net::LDAPS module for Perl is used.","status":"published","published":"2022-07-18T00:15:08.193Z","modified":"2026-06-17T02:57:42.37Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:06:46.951463Z"}],"osv":[{"id":"CVE-2020-16093","description":"In LemonLDAP::NG (aka lemonldap-ng) through 2.0.8, validity of the X.509 certificate is not checked by default when connecting to remote LDAP backends, because the default configuration of the Net::LDAPS module for Perl is used.","status":"published","published":"2022-07-18T00:15:08.193Z","modified":"2026-10-20T10:51:57.891373938Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:14.828228Z"},{"id":"DEBIAN-CVE-2020-16093","description":"In LemonLDAP::NG (aka lemonldap-ng) through 2.0.8, validity of the X.509 certificate is not checked by default when connecting to remote LDAP backends, because the default configuration of the Net::LDAPS module for Perl is used.","status":"published","published":"2022-07-18T00:15:08.193Z","modified":"2026-10-26T12:02:27.997969621Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:33.384087Z"},{"id":"UBUNTU-CVE-2020-16093","description":"In LemonLDAP::NG (aka lemonldap-ng) through 2.0.8, validity of the X.509 certificate is not checked by default when connecting to remote LDAP backends, because the default configuration of the Net::LDAPS module for Perl is used.","status":"published","published":"2022-07-18T00:15:00Z","modified":"2025-10-24T04:48:38Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:54:23.344108Z"},{"id":"DLA-3287-1","title":"lemonldap-ng - security update","status":"published","published":"2023-01-28T00:00:00Z","modified":"2026-03-09T01:20:40.132592Z","updated_at":"2026-11-02T15:46:11.734021Z"}]}}