A vulnerability was recently discovered in the rpc.mountd daemon in the nfs-utils package for Linux, that allows a NFSv3 client to escalate the privileges assigned to it in the /etc/exports file at mount time. In particular, it allows the client to access any subdirectory or subtree of an exported directory, regardless of the set file permissions, and regardless of any 'root_squash' or 'all_squash' attributes that would normally be expected to apply to that client.
総合評価: CVE-2025-12801 は低リスク（39.1/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 0.46%、36 パーセンタイル） 推奨対応: 悪用情報と EPSS の推移を監視し、必要に応じて優先度を見直してください。
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 | 0.02% | 0.46% | +0.44% |
| 2 | 2026-03-05 | — | 0.02% | — |
EPSS の全履歴 （全 2 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 |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2025-12801 not yet assigned priority: Debian including 1 source packages (nfs-utils), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 3, resolved 2. | https://security-tracker.debian.org/tracker/CVE-2025-12801 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2025-12801 |
suse
|
medium | CVE-2025-12801 severity moderate: SUSE including 15 source package names (libnfsidmap-2.3.3-68.el8_10, libnfsidmap-2.5.4-38.el9_7.3, …), 36 product×package rows across 6 product lines (SUSE Liberty Linux 8, SUSE Liberty Linux 9, … (6 product lines)): Fixed 36. | https://www.suse.com/security/cve/CVE-2025-12801/ |
ubuntu
|
medium | CVE-2025-12801 medium priority: Ubuntu including 157 source packages (linux, linux-allwinner-5.19, …), 1256 status rows across 8 suites (bionic, focal, jammy, noble, questing, trusty, upstream, xenial): DNE 890, ignored 220, needs-triage 146. | https://ubuntu.com/security/CVE-2025-12801 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| redhat | openshift_container_platform | 4.0 | cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 6.0 | cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* |
| 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 | 9.0 | cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 10.0 | cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:* |
| linux-nfs | nfs-utils | — | cpe:2.3:a:linux-nfs:nfs-utils:-:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:3938 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2026:3939 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2026:3940 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2026:3941 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2026:3942 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2026:5127 | |
| https://access.redhat.com/errata/RHSA-2026:5606 | |
| https://access.redhat.com/errata/RHSA-2026:5867 | |
| https://access.redhat.com/errata/RHSA-2026:5873 | |
| https://access.redhat.com/errata/RHSA-2026:5877 | |
| https://access.redhat.com/security/cve/CVE-2025-12801 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2413081 | Issue Tracking Third Party Advisory |