Cross-site scripting (XSS) vulnerability in the default error page of Apache 2.0 before 2.0.43, and 1.3.x up to 1.3.26, when UseCanonicalName is "Off" and support for wildcard DNS is present, allows remote attackers to execute script as other web page visitors via the Host: header, a different vulnerability than CAN-2002-1157.
结论预警: CVE-2002-0840 综合评估为高可利用风险（81/100）：CVSS 技术影响为中级，利用概率偏高（EPSS 94.01%，百分位 100%） 核心证据: 已收录 1 条公开利用参考（Exploit-DB）。 近一日 EPSS 上升 +3.82%，被利用关注度持续升高。 强制指令: 存在公开利用—请排查暴露面、落实缓解措施并优先修补。
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。
| EDB-ID | 来源 | 类型 | 公开时间 | 链接 |
|---|---|---|---|---|
| 21885 | exploit_db | edb | 2002-10-02 | Exploit-DB ↗ |
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 | 90.18% | 94.01% | +3.82% |
| 2 | 2026-05-07 | 91.10% | 90.18% | -0.92% |
| 3 | 2026-01-23 | — | 91.10% | — |
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 |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2002-0840 not yet assigned priority: Debian including 1 source packages (apache2), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2002-0840 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2002-0840 |
ubuntu
|
medium | CVE-2002-0840 medium priority: Ubuntu including 2 source packages (apache, apache2), 8 status rows across 4 suites (dapper, edgy, feisty, upstream): released 6, needs-triage 2. | https://ubuntu.com/security/CVE-2002-0840 |
Fixed in Apache HTTP Server 2.0.43 and 1.3.27: http://httpd.apache.org/security/vulnerabilities_20.html http://httpd.apache.org/security/vulnerabilities_13.html
| 厂商 | 产品 | 版本 | 原始 CPE |
|---|---|---|---|
| apache | http_server | 1.3 | cpe:2.3:a:apache:http_server:1.3:*:*:*:*:*:*:* |
| apache | http_server | 1.3.1 | cpe:2.3:a:apache:http_server:1.3.1:*:*:*:*:*:*:* |
| apache | http_server | 1.3.3 | cpe:2.3:a:apache:http_server:1.3.3:*:*:*:*:*:*:* |
| apache | http_server | 1.3.4 | cpe:2.3:a:apache:http_server:1.3.4:*:*:*:*:*:*:* |
| apache | http_server | 1.3.6 | cpe:2.3:a:apache:http_server:1.3.6:*:*:*:*:*:*:* |
| apache | http_server | 1.3.9 | cpe:2.3:a:apache:http_server:1.3.9:*:*:*:*:*:*:* |
| apache | http_server | 1.3.11 | cpe:2.3:a:apache:http_server:1.3.11:*:*:*:*:*:*:* |
| apache | http_server | 1.3.12 | cpe:2.3:a:apache:http_server:1.3.12:*:*:*:*:*:*:* |
| apache | http_server | 1.3.14 | cpe:2.3:a:apache:http_server:1.3.14:*:*:*:*:*:*:* |
| apache | http_server | 1.3.17 | cpe:2.3:a:apache:http_server:1.3.17:*:*:*:*:*:*:* |
| apache | http_server | 1.3.18 | cpe:2.3:a:apache:http_server:1.3.18:*:*:*:*:*:*:* |
| apache | http_server | 1.3.19 | cpe:2.3:a:apache:http_server:1.3.19:*:*:*:*:*:*:* |
| apache | http_server | 1.3.20 | cpe:2.3:a:apache:http_server:1.3.20:*:*:*:*:*:*:* |
| apache | http_server | 1.3.22 | cpe:2.3:a:apache:http_server:1.3.22:*:*:*:*:*:*:* |
| apache | http_server | 1.3.23 | cpe:2.3:a:apache:http_server:1.3.23:*:*:*:*:*:*:* |
| apache | http_server | 1.3.24 | cpe:2.3:a:apache:http_server:1.3.24:*:*:*:*:*:*:* |
| apache | http_server | 1.3.25 | cpe:2.3:a:apache:http_server:1.3.25:*:*:*:*:*:*:* |
| apache | http_server | 1.3.26 | cpe:2.3:a:apache:http_server:1.3.26:*:*:*:*:*:*:* |
| apache | http_server | 2.0 | cpe:2.3:a:apache:http_server:2.0:*:*:*:*:*:*:* |
| apache | http_server | 2.0.28 | cpe:2.3:a:apache:http_server:2.0.28:*:*:*:*:*:*:* |
| apache | http_server | 2.0.32 | cpe:2.3:a:apache:http_server:2.0.32:*:*:*:*:*:*:* |
| apache | http_server | 2.0.35 | cpe:2.3:a:apache:http_server:2.0.35:*:*:*:*:*:*:* |
| apache | http_server | 2.0.36 | cpe:2.3:a:apache:http_server:2.0.36:*:*:*:*:*:*:* |
| apache | http_server | 2.0.37 | cpe:2.3:a:apache:http_server:2.0.37:*:*:*:*:*:*:* |
| apache | http_server | 2.0.38 | cpe:2.3:a:apache:http_server:2.0.38:*:*:*:*:*:*:* |
| apache | http_server | 2.0.39 | cpe:2.3:a:apache:http_server:2.0.39:*:*:*:*:*:*:* |
| apache | http_server | 2.0.40 | cpe:2.3:a:apache:http_server:2.0.40:*:*:*:*:*:*:* |
| apache | http_server | 2.0.41 | cpe:2.3:a:apache:http_server:2.0.41:*:*:*:*:*:*:* |
| apache | http_server | 2.0.42 | cpe:2.3:a:apache:http_server:2.0.42:*:*:*:*:*:*:* |
| oracle | application_server | 1.0.2 | cpe:2.3:a:oracle:application_server:1.0.2:*:*:*:*:*:*:* |
| oracle | application_server | 1.0.2.1s | cpe:2.3:a:oracle:application_server:1.0.2.1s:*:*:*:*:*:*:* |
| oracle | application_server | 1.0.2.2 | cpe:2.3:a:oracle:application_server:1.0.2.2:*:*:*:*:*:*:* |
| oracle | application_server | 9.0.2 | cpe:2.3:a:oracle:application_server:9.0.2:*:*:*:*:*:*:* |
| oracle | application_server | 9.0.2 | cpe:2.3:a:oracle:application_server:9.0.2:r2:*:*:*:*:*:* |
| oracle | application_server | 9.0.2.1 | cpe:2.3:a:oracle:application_server:9.0.2.1:*:*:*:*:*:*:* |
| oracle | database_server | 8.1.7 | cpe:2.3:a:oracle:database_server:8.1.7:*:*:*:*:*:*:* |
| oracle | database_server | 9.2.1 | cpe:2.3:a:oracle:database_server:9.2.1:*:*:*:*:*:*:* |
| oracle | database_server | 9.2.2 | cpe:2.3:a:oracle:database_server:9.2.2:*:*:*:*:*:*:* |
| oracle | oracle8i | 8.1.7 | cpe:2.3:a:oracle:oracle8i:8.1.7:*:*:*:*:*:*:* |
| oracle | oracle8i | 8.1.7.1 | cpe:2.3:a:oracle:oracle8i:8.1.7.1:*:*:*:*:*:*:* |
| oracle | oracle8i | 8.1.7_.0.0_enterprise | cpe:2.3:a:oracle:oracle8i:8.1.7_.0.0_enterprise:*:*:*:*:*:*:* |
| oracle | oracle8i | 8.1.7_.1.0_enterprise | cpe:2.3:a:oracle:oracle8i:8.1.7_.1.0_enterprise:*:*:*:*:*:*:* |
| oracle | oracle9i | 9.0 | cpe:2.3:a:oracle:oracle9i:9.0:*:*:*:*:*:*:* |
| oracle | oracle9i | 9.0.1 | cpe:2.3:a:oracle:oracle9i:9.0.1:*:*:*:*:*:*:* |
| oracle | oracle9i | 9.0.1.2 | cpe:2.3:a:oracle:oracle9i:9.0.1.2:*:*:*:*:*:*:* |
| oracle | oracle9i | 9.0.1.3 | cpe:2.3:a:oracle:oracle9i:9.0.1.3:*:*:*:*:*:*:* |
| oracle | oracle9i | 9.0.2 | cpe:2.3:a:oracle:oracle9i:9.0.2:*:*:*:*:*:*:* |