Apache Traffic Server 5.1.x before 5.1.1 allows remote attackers to bypass access restrictions by leveraging failure to properly tunnel remap requests using CONNECT.
Conclusion & alert: CVE-2014-3624 is rated High Risk (73.5/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.77%). Core evidence: EPSS rose +3.32% 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 | 2026-06-15 | 0.44% | 3.77% | +3.32% |
| 2 | 2025-05-16 | 0.47% | 0.44% | -0.02% |
| 3 | 2025-03-30 | — | 0.47% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2014-3624 not yet assigned priority: Debian including 1 source packages (trafficserver), 3 status rows across 3 suites (bookworm, bullseye, sid): resolved 3. | https://security-tracker.debian.org/tracker/CVE-2014-3624 |
ubuntu
|
medium | CVE-2014-3624 medium priority: Ubuntu including 1 source packages (trafficserver), 14 status rows across 14 suites (artful, bionic, cosmic, disco, lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 7, not-affected 4, DNE 2, released 1. | https://ubuntu.com/security/CVE-2014-3624 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apache | traffic_server | 5.1.0 | cpe:2.3:a:apache:traffic_server:5.1.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://mail-archives.apache.org/mod_mbox/www-announce/201411.mbox/%3C20141101231749.2E3561043F%40minotaur.apache.org%3E | |
| http://www.securityfocus.com/bid/101630 | Third Party Advisory VDB Entry |
| https://issues.apache.org/jira/browse/TS-2677 | Issue Tracking Patch Vendor Advisory |