Vulnerability in Apache Tomcat Native

CVE-2018-8019

When using an OCSP responder Apache Tomcat Native 1.2.0 to 1.2.16 and 1.1.23 to 1.1.34 did not correctly handle invalid responses. This allowed for revoked client certificates to be incorrectly identified. It was therefore possible for users to authenticate with revoked certificates when using mutual TLS. Users not using OCSP checks are not affected by this vulnerability.

Vulnerability class: Improper Certificate Validation

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.040 (90.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-8019: held from 0.041 to 0.040.

EPSS over last 30 days · oldest: 0.041 · newest: 0.040 · change: -0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-8019?
CVE-2018-8019 is a high-severity vulnerability in Apache Tomcat Native, classified under Improper Certificate Validation. CVSS score: 7.4/10. Published 2018-07-31.
How severe is CVE-2018-8019?
High severity. CVSS v3 base score is 7.4 out of 10.