mod_authz_svn in Apache Subversion 1.7.x before 1.7.21 and 1.8.x before 1.8.14, when using Apache httpd 2.4.x, does not properly restrict anonymous access, which allows remote anonymous users to read hidden files via the path name.
Conclusion & alert: CVE-2015-3184 is rated Moderate Risk (58.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 17.00%, 95th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +11.08% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2026-03-04 | 5.92% | 17.00% | +11.08% |
| 2 | 2026-03-01 | 17.00% | 5.92% | -11.08% |
| 3 | 2026-02-04 | — | 17.00% | — |
Full EPSS history (34 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 |
|---|---|---|---|
debian
|
not yet assigned | CVE-2015-3184 not yet assigned priority: Debian including 1 source packages (subversion), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2015-3184 |
gentoo
|
normal | CVE-2015-3184: 1 GLSA(s) (201610-05), 2 atom(s) (dev-vcs/subversion, net-libs/serf); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-3184 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2015-3184 |
ubuntu
|
medium | CVE-2015-3184 medium priority: Ubuntu including 1 source packages (subversion), 4 status rows across 4 suites (precise, trusty, upstream, vivid): released 2, needs-triage 1, not-affected 1. | https://ubuntu.com/security/CVE-2015-3184 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apple | xcode | <= 7.2.1 | cpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:* |
| apache | subversion | 1.7.0 | cpe:2.3:a:apache:subversion:1.7.0:*:*:*:*:*:*:* |
| apache | subversion | 1.7.1 | cpe:2.3:a:apache:subversion:1.7.1:*:*:*:*:*:*:* |
| apache | subversion | 1.7.2 | cpe:2.3:a:apache:subversion:1.7.2:*:*:*:*:*:*:* |
| apache | subversion | 1.7.3 | cpe:2.3:a:apache:subversion:1.7.3:*:*:*:*:*:*:* |
| apache | subversion | 1.7.4 | cpe:2.3:a:apache:subversion:1.7.4:*:*:*:*:*:*:* |
| apache | subversion | 1.7.5 | cpe:2.3:a:apache:subversion:1.7.5:*:*:*:*:*:*:* |
| apache | subversion | 1.7.6 | cpe:2.3:a:apache:subversion:1.7.6:*:*:*:*:*:*:* |
| apache | subversion | 1.7.7 | cpe:2.3:a:apache:subversion:1.7.7:*:*:*:*:*:*:* |
| apache | subversion | 1.7.8 | cpe:2.3:a:apache:subversion:1.7.8:*:*:*:*:*:*:* |
| apache | subversion | 1.7.9 | cpe:2.3:a:apache:subversion:1.7.9:*:*:*:*:*:*:* |
| apache | subversion | 1.7.10 | cpe:2.3:a:apache:subversion:1.7.10:*:*:*:*:*:*:* |
| apache | subversion | 1.7.11 | cpe:2.3:a:apache:subversion:1.7.11:*:*:*:*:*:*:* |
| apache | subversion | 1.7.12 | cpe:2.3:a:apache:subversion:1.7.12:*:*:*:*:*:*:* |
| apache | subversion | 1.7.13 | cpe:2.3:a:apache:subversion:1.7.13:*:*:*:*:*:*:* |
| apache | subversion | 1.7.14 | cpe:2.3:a:apache:subversion:1.7.14:*:*:*:*:*:*:* |
| apache | subversion | 1.7.15 | cpe:2.3:a:apache:subversion:1.7.15:*:*:*:*:*:*:* |
| apache | subversion | 1.7.16 | cpe:2.3:a:apache:subversion:1.7.16:*:*:*:*:*:*:* |
| apache | subversion | 1.7.17 | cpe:2.3:a:apache:subversion:1.7.17:*:*:*:*:*:*:* |
| apache | subversion | 1.7.18 | cpe:2.3:a:apache:subversion:1.7.18:*:*:*:*:*:*:* |
| apache | subversion | 1.7.19 | cpe:2.3:a:apache:subversion:1.7.19:*:*:*:*:*:*:* |
| apache | subversion | 1.7.20 | cpe:2.3:a:apache:subversion:1.7.20:*:*:*:*:*:*:* |
| apache | subversion | 1.8.0 | cpe:2.3:a:apache:subversion:1.8.0:*:*:*:*:*:*:* |
| apache | subversion | 1.8.1 | cpe:2.3:a:apache:subversion:1.8.1:*:*:*:*:*:*:* |
| apache | subversion | 1.8.2 | cpe:2.3:a:apache:subversion:1.8.2:*:*:*:*:*:*:* |
| apache | subversion | 1.8.3 | cpe:2.3:a:apache:subversion:1.8.3:*:*:*:*:*:*:* |
| apache | subversion | 1.8.4 | cpe:2.3:a:apache:subversion:1.8.4:*:*:*:*:*:*:* |
| apache | subversion | 1.8.5 | cpe:2.3:a:apache:subversion:1.8.5:*:*:*:*:*:*:* |
| apache | subversion | 1.8.6 | cpe:2.3:a:apache:subversion:1.8.6:*:*:*:*:*:*:* |
| apache | subversion | 1.8.7 | cpe:2.3:a:apache:subversion:1.8.7:*:*:*:*:*:*:* |
| apache | subversion | 1.8.8 | cpe:2.3:a:apache:subversion:1.8.8:*:*:*:*:*:*:* |
| apache | subversion | 1.8.9 | cpe:2.3:a:apache:subversion:1.8.9:*:*:*:*:*:*:* |
| apache | subversion | 1.8.10 | cpe:2.3:a:apache:subversion:1.8.10:*:*:*:*:*:*:* |
| apache | subversion | 1.8.11 | cpe:2.3:a:apache:subversion:1.8.11:*:*:*:*:*:*:* |
| apache | subversion | 1.8.13 | cpe:2.3:a:apache:subversion:1.8.13:*:*:*:*:*:*:* |