A cached side channel attack during handshakes using RSA encryption could allow for the decryption of encrypted content. This is a variant of the Adaptive Chosen Ciphertext attack (AKA Bleichenbacher attack) and affects all NSS versions prior to NSS 3.41.
結論預警: CVE-2018-12404 綜合評估為中等風險（63.1/100）：CVSS 技術影響為中級，利用機率偏高（EPSS 44.40%，百分位 99%） 核心證據: EPSS 顯示該漏洞近期被利用的可能性處於高位。 近一日 EPSS 上升 +31.61%，被利用關注度持續升高。 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 | 12.78% | 44.40% | +31.61% |
| 2 | 2026-05-26 | 14.50% | 12.78% | -1.72% |
| 3 | 2026-03-02 | — | 14.50% | — |
完整 EPSS 歷史 （共 26 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 |
|---|---|---|---|---|---|---|
| 5.9 | 3.0 | MEDIUM |
|
2.2 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
medium | CVE-2018-12404: 1 source package rows (nss); 11 state rows across 11 repos (3.10-main, 3.11-main, 3.12-main, 3.17-community, 3.18-community, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-community, edge-main); fixed 11, open 0. | https://security.alpinelinux.org/vuln/CVE-2018-12404 |
debian
|
not yet assigned | CVE-2018-12404 not yet assigned priority: Debian including 1 source packages (nss), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2018-12404 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2018-12404 |
suse
|
medium | CVE-2018-12404 severity moderate: SUSE including 537 source package names (1.0.0.1862.1.5.2:libfreebl3-3.41.1-3.13.1, 1.0.0.1862.1.5.2:libsoftokn3-3.41.1-3.13.1, …), 1445 product×package rows across 343 product lines (Container bci/bci-sle15-kernel-module-devel, Container bci/kiwi, … (343 product lines)): Fixed 1147, Known Affected 157, Known Not Affected 141. | https://www.suse.com/security/cve/CVE-2018-12404/ |
ubuntu
|
medium | CVE-2018-12404 medium priority: Ubuntu including 1 source packages (nss), 5 status rows across 5 suites (bionic, cosmic, trusty, upstream, xenial): released 5. | https://ubuntu.com/security/CVE-2018-12404 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| mozilla | network_security_services | < 3.41 | cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:* |