The Debian initrd script for the cryptsetup package 2:1.7.3-2 and earlier allows physically proximate attackers to gain shell access via many log in attempts with an invalid password.
結論預警: CVE-2016-4484 綜合評估為存在公開利用（59.4/100）：CVSS 技術影響為中級，利用機率偏低（EPSS 0.71%） 核心證據: 已收錄 1 筆公開利用參考（Exploit-DB）。 強制指令: 存在公開利用—請盤點暴露面、落實緩解措施並優先修補。
風險隨態勢動態變化；本站持續評估並同步更新本頁展示內容。
| EDB-ID | 來源 | 類型 | 公開時間 | 連結 |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS 日更估計相對被利用可能性；百分位表示該 CVE 在已評分漏洞中的相對排名（越高表示相對更嚴重）。
| # | 日期 | 舊 EPSS 分數 | 新 EPSS 分數 | 變化（新 − 舊） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.46% | 0.71% | +0.25% |
| 2 | 2025-07-11 | 0.45% | 0.46% | +0.01% |
| 3 | 2025-07-09 | — | 0.45% | — |
完整 EPSS 歷史 （共 11 筆）
該 CVE 的 CVSS 指標。
| 底座分 | 版本 | 嚴重度 | 向量 | 可利用性 | 影響 | 分數來源 |
|---|---|---|---|---|---|---|
| 6.8 | 3.0 | MEDIUM |
|
0.9 | 5.9 | [email protected] |
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2016-4484 unimportant priority: Debian including 1 source packages (cryptsetup), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2016-4484 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2016-4484 |
suse
|
low | CVE-2016-4484 severity low: SUSE including 11 source package names (dracut, dracut-fips, …), 40 product×package rows across 16 product lines (HPE Helion OpenStack 8, SUSE Linux Enterprise Desktop 12 SP1, … (16 product lines)): Known Not Affected 40. | https://www.suse.com/security/cve/CVE-2016-4484/ |
ubuntu
|
low | CVE-2016-4484 low priority: Ubuntu including 1 source packages (cryptsetup), 23 status rows across 23 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, precise, questing, trusty, upstream, xenial, yakkety, zesty): not-affected 13, ignored 8, needed 1, released 1. | https://ubuntu.com/security/CVE-2016-4484 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| cryptsetup_project | cryptsetup | <= 2.1.7.3-2 | cpe:2.3:a:cryptsetup_project:cryptsetup:*:*:*:*:*:*:*:* |
| URL | 標籤 |
|---|---|
| http://hmarco.org/bugs/CVE-2016-4484/CVE-2016-4484_cryptsetup_initrd_shell.html | Exploit Mitigation Technical Description Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2016/11/14/13 | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2016/11/15/1 | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2016/11/15/4 | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2016/11/16/6 | Mailing List Third Party Advisory |
| http://www.securityfocus.com/bid/94315 | |
| https://gitlab.com/cryptsetup/cryptsetup/commit/ef8a7d82d8d3716ae9b58179590f7908981fa0cb | Patch |