Buffer overflow in sshd in OpenSSH 2.3.1 through 3.3 may allow remote attackers to execute arbitrary code via a large number of responses during challenge response authentication when OpenBSD is using PAM modules with interactive keyboard authentication (PAMAuthenticationViaKbdInt).
結論預警: CVE-2002-0640 綜合評估為高可利用風險（84.2/100）：CVSS 技術影響為嚴重級，利用機率偏高（EPSS 27.32%，百分位 98%） 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 |
|---|---|---|---|---|
| 21579 | exploit_db | edb | 2002-06-24 | Exploit-DB ↗ |
| 21578 | exploit_db | edb | 2002-06-24 | 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 | 66.96% | 27.32% | -39.64% |
| 2 | 2026-02-12 | 64.84% | 66.96% | +2.13% |
| 3 | 2025-12-28 | — | 64.84% | — |
完整 EPSS 歷史 （共 20 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 |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
high | CVE-2002-0640 high 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-2002-0640 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2002-0640 |
suse
|
critical | CVE-2002-0640 severity critical: SUSE including 8 source package names (openssh, openssh-askpass-gnome, …), 223 product×package rows across 46 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 7.1, … (46 product lines)): Known Not Affected 223. | https://www.suse.com/security/cve/CVE-2002-0640/ |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| openbsd | openssh | 1.2.2 | cpe:2.3:a:openbsd:openssh:1.2.2:*:*:*:*:*:*:* |
| openbsd | openssh | 1.2.3 | cpe:2.3:a:openbsd:openssh:1.2.3:*:*:*:*:*:*:* |
| openbsd | openssh | 2.1 | cpe:2.3:a:openbsd:openssh:2.1:*:*:*:*:*:*:* |
| openbsd | openssh | 2.1.1 | cpe:2.3:a:openbsd:openssh:2.1.1:*:*:*:*:*:*:* |
| openbsd | openssh | 2.2 | cpe:2.3:a:openbsd:openssh:2.2:*:*:*:*:*:*:* |
| openbsd | openssh | 2.3 | cpe:2.3:a:openbsd:openssh:2.3:*:*:*:*:*:*:* |
| openbsd | openssh | 2.5 | cpe:2.3:a:openbsd:openssh:2.5:*:*:*:*:*:*:* |
| openbsd | openssh | 2.5.1 | cpe:2.3:a:openbsd:openssh:2.5.1:*:*:*:*:*:*:* |
| openbsd | openssh | 2.5.2 | cpe:2.3:a:openbsd:openssh:2.5.2:*:*:*:*:*:*:* |
| openbsd | openssh | 2.9 | cpe:2.3:a:openbsd:openssh:2.9:*:*:*:*:*:*:* |
| openbsd | openssh | 2.9.9 | cpe:2.3:a:openbsd:openssh:2.9.9:*:*:*:*:*:*:* |
| openbsd | openssh | 2.9p1 | cpe:2.3:a:openbsd:openssh:2.9p1:*:*:*:*:*:*:* |
| openbsd | openssh | 2.9p2 | cpe:2.3:a:openbsd:openssh:2.9p2:*:*:*:*:*:*:* |
| openbsd | openssh | 3.0 | cpe:2.3:a:openbsd:openssh:3.0:*:*:*:*:*:*:* |
| openbsd | openssh | 3.0.1 | cpe:2.3:a:openbsd:openssh:3.0.1:*:*:*:*:*:*:* |
| openbsd | openssh | 3.0.1p1 | cpe:2.3:a:openbsd:openssh:3.0.1p1:*:*:*:*:*:*:* |
| openbsd | openssh | 3.0.2 | cpe:2.3:a:openbsd:openssh:3.0.2:*:*:*:*:*:*:* |
| openbsd | openssh | 3.0.2p1 | cpe:2.3:a:openbsd:openssh:3.0.2p1:*:*:*:*:*:*:* |
| openbsd | openssh | 3.0p1 | cpe:2.3:a:openbsd:openssh:3.0p1:*:*:*:*:*:*:* |
| openbsd | openssh | 3.1 | cpe:2.3:a:openbsd:openssh:3.1:*:*:*:*:*:*:* |
| openbsd | openssh | 3.1p1 | cpe:2.3:a:openbsd:openssh:3.1p1:*:*:*:*:*:*:* |
| openbsd | openssh | 3.2 | cpe:2.3:a:openbsd:openssh:3.2:*:*:*:*:*:*:* |
| openbsd | openssh | 3.2.2p1 | cpe:2.3:a:openbsd:openssh:3.2.2p1:*:*:*:*:*:*:* |
| openbsd | openssh | 3.2.3p1 | cpe:2.3:a:openbsd:openssh:3.2.3p1:*:*:*:*:*:*:* |
| openbsd | openssh | 3.3 | cpe:2.3:a:openbsd:openssh:3.3:*:*:*:*:*:*:* |
| openbsd | openssh | 3.3p1 | cpe:2.3:a:openbsd:openssh:3.3p1:*:*:*:*:*:*:* |