crypto/evp/e_aes_cbc_hmac_sha1.c in the AES-NI functionality in the TLS 1.1 and 1.2 implementations in OpenSSL 1.0.1 before 1.0.1d allows remote attackers to cause a denial of service (application crash) via crafted CBC data.
结论预警: CVE-2012-2686 综合评估为中等风险（49.5/100）：CVSS 技术影响为中级，利用概率偏高（EPSS 39.59%，百分位 98%） 核心证据: EPSS 显示该漏洞近期被利用的可能性处于高位。 强制指令: 被利用概率偏高—请排查暴露面并优先安排修补。
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。
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 | 63.14% | 39.59% | -23.55% |
| 2 | 2026-04-23 | 66.12% | 63.14% | -2.97% |
| 3 | 2025-12-28 | — | 66.12% | — |
完整 EPSS 历史 （共 20 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 |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2012-2686 not yet assigned priority: Debian including 1 source packages (openssl), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2012-2686 |
gentoo
|
low | CVE-2012-2686: 1 GLSA(s) (201312-03), 1 atom(s) (dev-libs/openssl); latest impact low. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-2686 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2012-2686 |
suse
|
medium | CVE-2012-2686 severity moderate: SUSE including 123 source package names (compat-openssl098, libopenssl-1_0_0-devel, …), 324 product×package rows across 51 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (51 product lines)): Known Not Affected 165, Fixed 159. | https://www.suse.com/security/cve/CVE-2012-2686/ |
ubuntu
|
medium | CVE-2012-2686 medium priority: Ubuntu including 1 source packages (openssl), 6 status rows across 6 suites (hardy, lucid, oneiric, precise, quantal, upstream): not-affected 3, released 3. | https://ubuntu.com/security/CVE-2012-2686 |