The SSH USERAUTH CHANGE REQUEST feature in SSH Tectia Server 6.0.4 through 6.0.20, 6.1.0 through 6.1.12, 6.2.0 through 6.2.5, and 6.3.0 through 6.3.2 on UNIX and Linux, when old-style password authentication is enabled, allows remote attackers to bypass authentication via a crafted session involving entry of blank passwords, as demonstrated by a root login session from a modified OpenSSH client with an added input_userauth_passwd_changereq call in sshconnect2.c.
结论预警: CVE-2012-5975 综合评估为高可利用风险(91.6/100):CVSS 技术影响为严重级,利用概率偏高(EPSS 35.87%,百分位 98%) 核心证据: 已收录 3 条公开利用参考(Exploit-DB)。 近一日 EPSS 上升 +10.13%,被利用关注度持续升高。 强制指令: 存在公开利用—请排查暴露面、落实缓解措施并优先修补。
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。
| EDB-ID | 来源 | 类型 | 公开时间 | 链接 |
|---|---|---|---|---|
| 23156 | exploit_db | edb | 2012-12-05 | Exploit-DB ↗ |
| 23082 | exploit_db | edb | 2012-12-02 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 25.75% | 35.87% | +10.13% |
| 2 | 2025-03-30 | 37.72% | 25.75% | -11.97% |
| 3 | 2025-03-29 | — | 37.72% | — |
完整 EPSS 历史 (共 26 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 |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| 厂商 | 产品 | 版本 | 原始 CPE |
|---|---|---|---|
| ssh | tectia_server | 6.0.4 | cpe:2.3:a:ssh:tectia_server:6.0.4:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.0.5 | cpe:2.3:a:ssh:tectia_server:6.0.5:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.0.6 | cpe:2.3:a:ssh:tectia_server:6.0.6:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.0.7 | cpe:2.3:a:ssh:tectia_server:6.0.7:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.0.8 | cpe:2.3:a:ssh:tectia_server:6.0.8:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.0.9 | cpe:2.3:a:ssh:tectia_server:6.0.9:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.0.10 | cpe:2.3:a:ssh:tectia_server:6.0.10:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.0.11 | cpe:2.3:a:ssh:tectia_server:6.0.11:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.0.12 | cpe:2.3:a:ssh:tectia_server:6.0.12:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.0.13 | cpe:2.3:a:ssh:tectia_server:6.0.13:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.0.14 | cpe:2.3:a:ssh:tectia_server:6.0.14:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.0.17 | cpe:2.3:a:ssh:tectia_server:6.0.17:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.0.18 | cpe:2.3:a:ssh:tectia_server:6.0.18:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.0.19 | cpe:2.3:a:ssh:tectia_server:6.0.19:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.0.20. | cpe:2.3:a:ssh:tectia_server:6.0.20.:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.1.0 | cpe:2.3:a:ssh:tectia_server:6.1.0:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.1.1 | cpe:2.3:a:ssh:tectia_server:6.1.1:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.1.2 | cpe:2.3:a:ssh:tectia_server:6.1.2:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.1.3 | cpe:2.3:a:ssh:tectia_server:6.1.3:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.1.4 | cpe:2.3:a:ssh:tectia_server:6.1.4:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.1.5 | cpe:2.3:a:ssh:tectia_server:6.1.5:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.1.6 | cpe:2.3:a:ssh:tectia_server:6.1.6:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.1.7 | cpe:2.3:a:ssh:tectia_server:6.1.7:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.1.8 | cpe:2.3:a:ssh:tectia_server:6.1.8:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.1.9 | cpe:2.3:a:ssh:tectia_server:6.1.9:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.1.12 | cpe:2.3:a:ssh:tectia_server:6.1.12:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.2.0 | cpe:2.3:a:ssh:tectia_server:6.2.0:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.2.1 | cpe:2.3:a:ssh:tectia_server:6.2.1:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.2.2 | cpe:2.3:a:ssh:tectia_server:6.2.2:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.2.3 | cpe:2.3:a:ssh:tectia_server:6.2.3:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.2.4 | cpe:2.3:a:ssh:tectia_server:6.2.4:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.2.5 | cpe:2.3:a:ssh:tectia_server:6.2.5:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.3.0 | cpe:2.3:a:ssh:tectia_server:6.3.0:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.3.1 | cpe:2.3:a:ssh:tectia_server:6.3.1:*:*:*:*:*:*:* |
| ssh | tectia_server | 6.3.2 | cpe:2.3:a:ssh:tectia_server:6.3.2:*:*:*:*:*:*:* |