A flaw was found in the way samba implemented SMB1 authentication. An attacker could use this flaw to retrieve the plaintext password sent over the wire even if Kerberos authentication was required.
総合評価: CVE-2016-2124 は中リスク（48.7/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 0.70%、72 パーセンタイル） 推奨対応: 影響資産を整理し、修補計画に組み込んでください。
リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。
EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置（高いほど相対的に深刻）を示します。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ（新 − 旧） |
|---|---|---|---|---|
| 1 | 2026-04-06 | 0.81% | 0.70% | -0.11% |
| 2 | 2026-03-19 | 0.71% | 0.81% | +0.10% |
| 3 | 2026-02-06 | — | 0.71% | — |
EPSS の全履歴 （全 25 件）
この CVE の CVSS 指標。
| ベーススコア | バージョン | 深刻度 | ベクトル | 悪用しやすさ | 影響 | スコアの出典 |
|---|---|---|---|---|---|---|
| 5.9 | 3.1 | MEDIUM |
|
2.2 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2016-2124: 1 source package rows (samba); 7 state rows across 7 repos (3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 7, open 0. | https://security.alpinelinux.org/vuln/CVE-2016-2124 |
debian
|
not yet assigned | CVE-2016-2124 not yet assigned priority: Debian including 1 source packages (samba), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2016-2124 |
gentoo
|
high | CVE-2016-2124: 1 GLSA(s) (202309-06), 1 atom(s) (net-fs/samba); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-2124 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2016-2124 |
suse
|
medium | CVE-2016-2124 severity moderate: SUSE including 1133 source package names (amazon/suse-sles-15-sp1-chost-byos-v20210304-hvm-ssd-x86_64, amazon/suse-sles-15-sp1-chost-byos-v20220127-hvm-ssd-x86_64, …), 2898 product×package rows across 117 product lines (HPE Helion OpenStack 8, Image SLES12-SP5-Azure-BYOS, … (117 product lines)): Fixed 2712, Known Affected 160, Known Not Affected 26. | https://www.suse.com/security/cve/CVE-2016-2124/ |
ubuntu
|
medium | CVE-2016-2124 medium priority: Ubuntu including 1 source packages (samba), 15 status rows across 15 suites (bionic, focal, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): released 13, needed 2. | https://ubuntu.com/security/CVE-2016-2124 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| samba | samba | >= 3.0.0, < 4.13.14 | cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* |
| samba | samba | >= 4.14.0, < 4.14.10 | cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* |
| samba | samba | >= 4.15.0, < 4.15.2 | cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| debian | debian_linux | 10.0 | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
| fedoraproject | fedora | 33 | cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* |
| fedoraproject | fedora | 34 | cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* |
| fedoraproject | fedora | 35 | cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* |
| redhat | codeready_linux_builder | — | cpe:2.3:a:redhat:codeready_linux_builder:-:*:*:*:*:*:*:* |
| redhat | gluster_storage | 3.0 | cpe:2.3:a:redhat:gluster_storage:3.0:*:*:*:*:*:*:* |
| redhat | gluster_storage | 3.5 | cpe:2.3:a:redhat:gluster_storage:3.5:*:*:*:*:*:*:* |
| redhat | openstack | 13 | cpe:2.3:a:redhat:openstack:13:*:*:*:*:*:*:* |
| redhat | openstack | 16.1 | cpe:2.3:a:redhat:openstack:16.1:*:*:*:*:*:*:* |
| redhat | openstack | 16.2 | cpe:2.3:a:redhat:openstack:16.2:*:*:*:*:*:*:* |
| redhat | virtualization_host | 4.0 | cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 7.0 | cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 8.0 | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_desktop | 7.0 | cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 8.2 | cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 8.4 | cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_ibm_z_systems | 7.0 | cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_ibm_z_systems | 8.0 | cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_ibm_z_systems_eus | 8.2 | cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_ibm_z_systems_eus | 8.4 | cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_power_big_endian | 7.0 | cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_power_little_endian | 7.0 | cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_power_little_endian | 8.0 | cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_power_little_endian_eus | 8.2 | cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_power_little_endian_eus | 8.4 | cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_scientific_computing | 7.0 | cpe:2.3:o:redhat:enterprise_linux_for_scientific_computing:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_resilient_storage | 7.0 | cpe:2.3:o:redhat:enterprise_linux_resilient_storage:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server | 7.0 | cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 8.2 | cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 8.4 | cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus | 8.4 | cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_update_services_for_sap_solutions | 8.2 | cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:8.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_update_services_for_sap_solutions | 8.4 | cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:8.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_tus | 8.2 | cpe:2.3:o:redhat:enterprise_linux_tus:8.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation | 7.0 | cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 18.04 | cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 20.04 | cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 21.04 | cpe:2.3:o:canonical:ubuntu_linux:21.04:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 21.10 | cpe:2.3:o:canonical:ubuntu_linux:21.10:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2019660 | Issue Tracking Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2023/09/msg00013.html | |
| https://security.gentoo.org/glsa/202309-06 | |
| https://www.samba.org/samba/security/CVE-2016-2124.html | Mitigation Vendor Advisory |