What is CVE-2013-6662?

CVE-2013-6662 is a medium-severity vulnerability in Google Chrome, classified under Improper Certificate Validation. CVSS score: 6.5/10. Published 2017-04-13.

How severe is CVE-2013-6662?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Google Chrome

CVE-2013-6662

Google Chrome caches TLS sessions before certificate validation occurs.

Vulnerability class: Improper Certificate Validation

Published 2017-04-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (25.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Google Chrome

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

bugs.chromium.org/p/chromium/issues/detail (Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2013-6662?: CVE-2013-6662 is a medium-severity vulnerability in Google Chrome, classified under Improper Certificate Validation. CVSS score: 6.5/10. Published 2017-04-13.
How severe is CVE-2013-6662?: Medium severity. CVSS v3 base score is 6.5 out of 10.