programs/pluto/ikev1.c in libreswan before 3.17 retransmits in initial-responder states, which allows remote attackers to cause a denial of service (traffic amplification) via a spoofed UDP packet. NOTE: the original behavior complies with the IKEv1 protocol, but has a required security update from the libreswan vendor; as of 2016-06-10, it is expected that several other IKEv1 implementations will have vendor-required security updates, with separate CVE IDs assigned to each.
結論預警: CVE-2016-5361 綜合評估為中等風險（61.3/100）：CVSS 技術影響為高級，利用機率（EPSS 2.77%） 核心證據: 近一日 EPSS 上升 +1.75%，被利用關注度持續升高。 強制指令: 梳理受影響資產並納入修補計畫。
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。
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 | 1.03% | 2.77% | +1.75% |
| 2 | 2025-03-30 | 3.35% | 1.03% | -2.33% |
| 3 | 2025-03-29 | — | 3.35% | — |
完整 EPSS 歷史 （共 8 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 |
|---|---|---|---|---|---|---|
| 7.5 | 3.0 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2016-5361 unimportant priority: Debian including 1 source packages (libreswan), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2016-5361 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2016-5361 |
suse
|
medium | CVE-2016-5361 severity moderate: SUSE including 6 source package names (libreswan-3.15-8.el7, strongswan, strongswan-doc, strongswan-hmac, strongswan-ipsec, strongswan-libs0), 44 product×package rows across 16 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (16 product lines)): Known Not Affected 43, Fixed 1. | https://www.suse.com/security/cve/CVE-2016-5361/ |