GHSA-84j4-ccmw-hwpg · 嚴重度: medium — OpenSSH through 8.7 allows remote attackers, who have a suspicion that a certain combination of...
OpenSSH through 8.7 allows remote attackers, who have a suspicion that a certain combination of username and public key is known to an SSH server, to test whether this suspicion is correct. This occurs because a challenge is sent only when that combination could be valid for a login session. NOTE: the vendor does not recognize user enumeration as a vulnerability for this product
結論預警: CVE-2016-20012 綜合評估為高可利用風險(68.6/100):CVSS 技術影響為中級,利用機率偏高(EPSS 5.33%,百分位 92%) 核心證據: 已收錄 2 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 ↗ | |
| — | 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 | 2026-07-09 | 5.04% | 5.33% | +0.29% |
| 2 | 2026-06-15 | 8.65% | 5.04% | -3.61% |
| 3 | 2026-05-30 | — | 8.65% | — |
完整 EPSS 歷史 (共 50 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 |
|---|---|---|---|---|---|---|
| 5.3 | 3.1 | MEDIUM |
|
3.9 | 1.4 | [email protected] |
| 5.3 | 3.1 | MEDIUM |
|
3.9 | 1.4 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
GHSA-84j4-ccmw-hwpg · 嚴重度: medium — OpenSSH through 8.7 allows remote attackers, who have a suspicion that a certain combination of...
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2016-20012: 1 source package rows (openssh); 30 state rows across 5 repos (3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 0, open 30. | https://security.alpinelinux.org/vuln/CVE-2016-20012 |
debian
|
unimportant | CVE-2016-20012 unimportant priority: Debian including 1 source packages (openssh), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 5. | https://security-tracker.debian.org/tracker/CVE-2016-20012 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2016-20012 |
suse
|
low | — | https://www.suse.com/security/cve/CVE-2016-20012/ |
ubuntu
|
negligible | CVE-2016-20012 negligible priority: Ubuntu including 2 source packages (openssh, openssh-ssh1), 16 status rows across 8 suites (bionic, focal, hirsute, impish, jammy, trusty, upstream, xenial): ignored 14, DNE 2. | https://ubuntu.com/security/CVE-2016-20012 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| openbsd | openssh | <= 8.7 | cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:* |
| netapp | clustered_data_ontap | — | cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* |
| netapp | hci_management_node | — | cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* |
| netapp | ontap_select_deploy_administration_utility | — | cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:* |
| netapp | solidfire | — | cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* |
| URL | 標籤 |
|---|---|
| https://github.com/openssh/openssh-portable/blob/d0fffc88c8fe90c1815c6f4097bc8cbcabc0f3dd/auth2-pubkey.c#L261-L265 | Exploit Third Party Advisory |
| https://github.com/openssh/openssh-portable/pull/270 | Patch Third Party Advisory |
| https://github.com/openssh/openssh-portable/pull/270#issuecomment-920577097 | Issue Tracking Third Party Advisory |
| https://github.com/openssh/openssh-portable/pull/270#issuecomment-943909185 | Issue Tracking Third Party Advisory |
| https://rushter.com/blog/public-ssh-keys/ | Exploit Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20211014-0005/ | Third Party Advisory |
| https://utcc.utoronto.ca/~cks/space/blog/tech/SSHKeysAreInfoLeak | Third Party Advisory |
| https://www.openwall.com/lists/oss-security/2018/08/24/1 | Mailing List Third Party Advisory |