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.
結論預警: CVE-2012-2686 綜合評估為中等風險（49.5/100）：CVSS 技術影響為中級，利用機率偏高（EPSS 39.59%，百分位 98%） 核心證據: EPSS 顯示該漏洞近期被利用的可能性處於高位。 強制指令: 被利用機率偏高—請盤點暴露面並優先安排修補。
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。
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 | 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 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 |
|---|---|---|---|---|---|---|
| 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 |