What is CVE-2016-8231?

CVE-2016-8231 is a high-severity vulnerability in Lenovo Service Bridge, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2017-06-04.

How severe is CVE-2016-8231?

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

Vulnerability in Lenovo Service Bridge

CVE-2016-8231

In Lenovo Service Bridge before version 4, a bug found in the signature verification logic of the code signing certificate could be exploited by an attacker to insert a forged code signing certificate.

Vulnerability class: Improper Certificate Validation

Published 2017-06-04 · 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:H/A:N.

EPSS exploit prediction

EPSS: 0.005 (41.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Lenovo Service Bridge
Lenovo Group Ltd. Service Bridge — versions Earlier than version 4

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

support.lenovo.com/us/en/product_security/LEN-10149 (Vendor Advisory)

Frequently asked questions

What is CVE-2016-8231?: CVE-2016-8231 is a high-severity vulnerability in Lenovo Service Bridge, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2017-06-04.
How severe is CVE-2016-8231?: High severity. CVSS v3 base score is 7.5 out of 10.