The auth_password function in auth-passwd.c in sshd in OpenSSH before 7.3 does not limit password lengths for password authentication, which allows remote attackers to cause a denial of service (crypt CPU consumption) via a long string.
結論預警: CVE-2016-6515 綜合評估為高可利用風險(80.5/100):CVSS 技術影響為高級,利用機率偏高(EPSS 58.57%,百分位 99%) 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 |
|---|---|---|---|---|
| 40888 | exploit_db | edb | 2016-12-07 | 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 | 2026-06-26 | 57.67% | 58.57% | +0.90% |
| 2 | 2026-06-15 | 77.09% | 57.67% | -19.42% |
| 3 | 2026-05-27 | — | 77.09% | — |
完整 EPSS 歷史 (共 52 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] |
| 7.8 | 2.0 | HIGH |
|
10.0 | 6.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2016-6515 not yet assigned priority: Debian including 1 source packages (openssh), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2016-6515 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2016-6515 |
suse
|
medium | CVE-2016-6515 severity moderate: SUSE including 355 source package names (amazon/suse-sles-15-sp1-chost-byos-v20210304-hvm-ssd-x86_64, amazon/suse-sles-15-sp1-chost-byos-v20220127-hvm-ssd-x86_64, …), 446 product×package rows across 62 product lines (HPE Helion OpenStack 8, SUSE Liberty Linux 7, … (62 product lines)): Fixed 264, Known Affected 157, Known Not Affected 25. | https://www.suse.com/security/cve/CVE-2016-6515/ |
ubuntu
|
medium | CVE-2016-6515 medium priority: Ubuntu including 1 source packages (openssh), 6 status rows across 6 suites (precise, trusty, upstream, xenial, yakkety, zesty): released 4, not-affected 2. | https://ubuntu.com/security/CVE-2016-6515 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| openbsd | openssh | <= 7.2 | cpe:2.3:a:openbsd:openssh:*:p2:*:*:*:*:*:* |
| fedoraproject | fedora | 24 | cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:* |