NTP before 4.2.8p9 changes the peer structure to the interface it receives the response from a source, which allows remote attackers to cause a denial of service (prevent communication with a source) by sending a response for a source to an interface the source does not use.
结论预警: CVE-2016-7429 综合评估为中等风险（49.8/100）：CVSS 技术影响为低级，利用概率偏高（EPSS 7.42%，百分位 94%） 核心证据: EPSS 显示该漏洞近期被利用的可能性处于高位。 近一日 EPSS 上升 +2.21%，被利用关注度持续升高。 强制指令: 被利用概率偏高—请排查暴露面并优先安排修补。
风险随态势动态变化；本站持续评估并同步更新本页展示内容。
EPSS 日更估计相对被利用可能性；百分位表示该 CVE 在已评分漏洞中的相对排名（越高表示相对更严重）。
| # | 日期 | 旧 EPSS 分数 | 新 EPSS 分数 | 变化（新 − 旧） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 5.21% | 7.42% | +2.21% |
| 2 | 2026-01-18 | 24.15% | 5.21% | -18.94% |
| 3 | 2025-12-28 | — | 24.15% | — |
完整 EPSS 历史 （共 19 条）
该 CVE 的 CVSS 指标。
| 底座分 | 版本 | 严重度 | 向量 | 可利用性 | 影响 | 分数来源 |
|---|---|---|---|---|---|---|
| 3.7 | 3.0 | LOW |
|
2.2 | 1.4 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2016-7429 not yet assigned priority: Debian including 1 source packages (ntp), 1 status rows across 1 suites (bullseye): resolved 1. | https://security-tracker.debian.org/tracker/CVE-2016-7429 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2016-7429 |
suse
|
low | CVE-2016-7429 severity low: SUSE including 27 source package names (ntp-4.2.6p5-25.el7_3.1, ntp-4.2.8p10-63.3, …), 87 product×package rows across 56 product lines (Image SLES12-SP5-Azure-BYOS, Image SLES12-SP5-Azure-Basic-On-Demand, … (56 product lines)): Fixed 87. | https://www.suse.com/security/cve/CVE-2016-7429/ |
ubuntu
|
low | CVE-2016-7429 low priority: Ubuntu including 1 source packages (ntp), 6 status rows across 6 suites (precise, trusty, upstream, xenial, yakkety, zesty): released 4, not-affected 2. | https://ubuntu.com/security/CVE-2016-7429 |
| URL | 标签 |
|---|---|
| http://nwtime.org/ntp428p9_release/ | Release Notes Vendor Advisory |
| http://rhn.redhat.com/errata/RHSA-2017-0252.html | |
| http://support.ntp.org/bin/view/Main/NtpBug3072 | Issue Tracking Mitigation Vendor Advisory |
| http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities | Vendor Advisory |
| http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html | |
| http://www.securityfocus.com/bid/94453 | |
| http://www.securitytracker.com/id/1037354 | |
| https://bto.bluecoat.com/security-advisory/sa139 | |
| https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_us | |
| https://www.kb.cert.org/vuls/id/633847 | Third Party Advisory US Government Resource |