Apache 1.3.20 with Multiviews enabled allows remote attackers to view directory contents and bypass the index page via a URL containing the "M=D" query string.
Conclusion & alert: CVE-2001-0731 is rated High Exploit Risk (67.1/100): CVSS Medium severity, with high exploitation likelihood (EPSS 80.79%, 99th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 21002 | exploit_db | edb | 2001-07-10 | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-01-15 | 83.40% | 80.79% | -2.61% |
| 2 | 2025-12-28 | 61.59% | 83.40% | +21.80% |
| 3 | 2025-12-27 | — | 61.59% | — |
Full EPSS history (17 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2001-0731 |
Fixed in Apache HTTP Server 1.3.22: http://httpd.apache.org/security/vulnerabilities_13.html
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apache | http_server | 1.3.20 | cpe:2.3:a:apache:http_server:1.3.20:*:*:*:*:*:*:* |