What is CVE-2018-8022?

CVE-2018-8022 is a high-severity vulnerability in Apache Traffic Server, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2018-08-29.

How severe is CVE-2018-8022?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Apache Traffic Server

CVE-2018-8022

A carefully crafted invalid TLS handshake can cause Apache Traffic Server (ATS) to segfault. This affects version 6.2.2. To resolve this issue users running 6.2.2 should upgrade to 6.2.3 or later versions.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2018-08-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.075 (94.3th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.075 · newest: 0.075 · change: 0.000

Affected products

Apache Traffic Server
Apache Software Foundation Traffic Server — versions 6.2.2

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

lists.apache.org/thread.html/ce404d2fe16cc59085ece5a6236ccd1549def471a2a9508198… (mailing-list)
www.securityfocus.com/bid/105183 (VDB Entry, Third Party Advisory, vdb-entry)
github.com/apache/trafficserver/pull/2147 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2018-8022?: CVE-2018-8022 is a high-severity vulnerability in Apache Traffic Server, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2018-08-29.
How severe is CVE-2018-8022?: High severity. CVSS v3 base score is 7.5 out of 10.