When parsing the AIA-Extension field of a client certificate, Apache Tomcat Native Connector 1.2.0 to 1.2.14 and 1.1.23 to 1.1.34 did not correctly handle fields longer than 127 bytes. The result of the parsing error was to skip the OCSP check. It was therefore possible for client certificates that should have been rejected (if the OCSP check had been made) to be accepted. Users not using OCSP checks are not affected by this vulnerability.
結論預警: CVE-2017-15698 綜合評估為中等風險（54.3/100）：CVSS 技術影響為中級，利用機率（EPSS 3.53%） 強制指令: 梳理受影響資產並納入修補計畫。
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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 | 2026-07-12 | 3.59% | 3.53% | -0.07% |
| 2 | 2026-06-15 | 0.43% | 3.59% | +3.16% |
| 3 | 2026-03-22 | — | 0.43% | — |
完整 EPSS 歷史 （共 13 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 |
|---|---|---|---|
debian
|
not yet assigned | CVE-2017-15698 not yet assigned priority: Debian including 1 source packages (tomcat-native), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2017-15698 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2017-15698 |
suse
|
medium | CVE-2017-15698 severity moderate: SUSE including 7 source package names (libtcnative-1-0, libtcnative-1-0-1.2.17-1.12, …), 64 product×package rows across 48 product lines (SUSE CaaS Platform 4.5, SUSE Enterprise Storage 7, … (48 product lines)): Known Not Affected 54, Fixed 10. | https://www.suse.com/security/cve/CVE-2017-15698/ |
ubuntu
|
medium | CVE-2017-15698 medium priority: Ubuntu including 1 source packages (tomcat-native), 20 status rows across 20 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 16, DNE 1, ignored 1, needed 1, released 1. | https://ubuntu.com/security/CVE-2017-15698 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| apache | tomcat_native | >= 1.1.23, <= 1.1.34 | cpe:2.3:a:apache:tomcat_native:*:*:*:*:*:*:*:* |
| apache | tomcat_native | >= 1.2.0, <= 1.2.14 | cpe:2.3:a:apache:tomcat_native:*:*:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |