What is CVE-2014-3624?

CVE-2014-3624 is a critical-severity vulnerability in Apache Traffic Server, classified under Improper Access Control. CVSS score: 9.8/10. Published 2017-10-30.

How severe is CVE-2014-3624?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Apache Traffic Server

CVE-2014-3624

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.

Published 2017-10-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.038 (89.9th percentile), scored 2026-10-22.

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.038 · newest: 0.038 · change: 0.000

Affected products

Apache Traffic Server — versions 5.1.0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

issues.apache.org/jira/browse/TS-2677 (Patch, Issue Tracking, Vendor Advisory)
mail-archives.apache.org/mod_mbox/www-announce/201411.mbox/<20141101231749.2E35… (mailing-list)
www.securityfocus.com/bid/101630 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2014-3624?: CVE-2014-3624 is a critical-severity vulnerability in Apache Traffic Server, classified under Improper Access Control. CVSS score: 9.8/10. Published 2017-10-30.
How severe is CVE-2014-3624?: Critical severity. CVSS v3 base score is 9.8 out of 10.