What is CVE-2014-7143?

CVE-2014-7143 is a high-severity vulnerability in Twisted, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2019-11-12.

How severe is CVE-2014-7143?

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

Vulnerability in Twisted

CVE-2014-7143

Python Twisted 14.0 trustRoot is not respected in HTTP client

Vulnerability class: Improper Certificate Validation

Published 2019-11-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.026 (85.2th percentile), scored 2026-10-19.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000

Affected products

Twisted — versions 14.0.0

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

security-tracker.debian.org/tracker/CVE-2014-7143 (Third Party Advisory)
bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
www.openwall.com/lists/oss-security/2014/09/22/2 (Mailing List, Third Party Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/96135 (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2014-7143?: CVE-2014-7143 is a high-severity vulnerability in Twisted, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2019-11-12.
How severe is CVE-2014-7143?: High severity. CVSS v3 base score is 7.5 out of 10.