stunnel 4.40 and 4.41 might allow remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.
結論預警: CVE-2011-2940 綜合評估為中等風險(64.4/100):CVSS 技術影響為嚴重級,利用機率偏高(EPSS 5.71%,百分位 92%) 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 | 15.84% | 5.71% | -10.13% |
| 2 | 2026-02-24 | 12.76% | 15.84% | +3.08% |
| 3 | 2025-03-30 | — | 12.76% | — |
完整 EPSS 歷史 (共 11 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 |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2011-2940 not yet assigned priority: Debian including 1 source packages (stunnel4), 3 status rows across 3 suites (bookworm, bullseye, trixie): resolved 3. | https://security-tracker.debian.org/tracker/CVE-2011-2940 |
gentoo
|
normal | CVE-2011-2940: 1 GLSA(s) (201202-08), 1 atom(s) (net-misc/stunnel); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2011-2940 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2011-2940 |
suse
|
critical | CVE-2011-2940 severity critical: SUSE including 7 source package names (stunnel, stunnel-5.38-1.1, …), 21 product×package rows across 19 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (19 product lines)): Known Not Affected 14, Fixed 7. | https://www.suse.com/security/cve/CVE-2011-2940/ |
ubuntu
|
medium | CVE-2011-2940 medium priority: Ubuntu including 1 source packages (stunnel4), 5 status rows across 5 suites (hardy, lucid, maverick, natty, upstream): not-affected 4, released 1. | https://ubuntu.com/security/CVE-2011-2940 |