A vulnerability was found in Red Hat Ceph Storage 4 and Red Hat Openshift Container Storage 4.2 where, A nonce reuse vulnerability was discovered in the secure mode of the messenger v2 protocol, which can allow an attacker to forge auth tags and potentially manipulate the data by leveraging the reuse of a nonce in a session. Messages encrypted using a reused nonce value are susceptible to serious confidentiality and integrity attacks.
総合評価: CVE-2020-1759 は中リスク(50.5/100)。CVSS 深刻度は中。悪用される可能性が高い(EPSS 1.37%、68 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 | 2026-06-15 | 0.41% | 1.37% | +0.96% |
| 2 | 2025-11-21 | 0.33% | 0.41% | +0.08% |
| 3 | 2025-11-18 | — | 0.33% | — |
EPSS の全履歴 (全 13 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 |
|---|---|---|---|---|---|---|
| 6.4 | 3.1 | MEDIUM |
|
1.2 | 5.2 | [email protected] |
| 6.8 | 3.1 | MEDIUM |
|
1.6 | 5.2 | [email protected] |
| 5.8 | 2.0 | MEDIUM |
|
8.6 | 4.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
medium | CVE-2020-1759: 2 source package rows (ceph, ceph16); 4 state rows across 3 repos (3.17-community, 3.18-community, edge-community); fixed 4, open 0. | https://security.alpinelinux.org/vuln/CVE-2020-1759 |
debian
|
not yet assigned | CVE-2020-1759 not yet assigned priority: Debian including 1 source packages (ceph), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2020-1759 |
gentoo
|
normal | CVE-2020-1759: 1 GLSA(s) (202105-39), 1 atom(s) (sys-cluster/ceph); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2020-1759 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2020-1759 |
suse
|
medium | CVE-2020-1759 severity moderate: SUSE including 329 source package names (1.1.1.0.1.5.157:ceph-14.2.5.389+gb0f23ac248-3.17.2, 1.1.1.0.1.5.157:ceph-base-14.2.5.389+gb0f23ac248-3.17.2, …), 670 product×package rows across 66 product lines (Container caasp/v4/hyperkube, Container ses/6/cephcsi/cephcsi, … (66 product lines)): Fixed 325, Known Not Affected 226, Will Not Fix 119. | https://www.suse.com/security/cve/CVE-2020-1759/ |
ubuntu
|
medium | CVE-2020-1759 medium priority: Ubuntu including 1 source packages (ceph), 6 status rows across 6 suites (bionic, eoan, focal, trusty, upstream, xenial): not-affected 4, ignored 1, released 1. | https://ubuntu.com/security/CVE-2020-1759 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| redhat | ceph_storage | 4.0 | cpe:2.3:a:redhat:ceph_storage:4.0:*:*:*:*:*:*:* |
| redhat | openshift | 4.2 | cpe:2.3:a:redhat:openshift:4.2:*:*:*:*:*:*:* |
| redhat | openstack | 15 | cpe:2.3:a:redhat:openstack:15:*:*:*:*:*:*:* |
| linuxfoundation | ceph | < 14.2.21 | cpe:2.3:a:linuxfoundation:ceph:*:*:*:*:*:*:*:* |
| fedoraproject | fedora | 31 | cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1759 | Issue Tracking Patch Vendor Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3A2UFR5IUIEXJUCF64GQ5OVLCZGODXE/ | |
| https://security.gentoo.org/glsa/202105-39 | Third Party Advisory |