What is CVE-2015-6971?

CVE-2015-6971 is a high-severity vulnerability in Lenovo System Update, classified under Command Injection. CVSS score: 7.8/10. Published 2017-10-03.

How severe is CVE-2015-6971?

High severity. CVSS v3 base score is 7.8 out of 10.

RCE in Lenovo System Update

CVE-2015-6971

Lenovo System Update (formerly ThinkVantage System Update) before 5.07.0013 allows local users to submit commands to the System Update service (SUService.exe) and gain privileges by launching signed Lenovo executables.

Vulnerability class: Command Injection (OS Command Injection)

Published 2017-10-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (39.5th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.5% 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 System Update

Weakness classification (CWE)

CWE-77 — Command Injection

References

www.trustwave.com/Resources/Security-Advisories/Advisories/TWSL2015-018/ (Exploit, Third Party Advisory)
support.lenovo.com/us/en/product_security/lsu_privilege (Vendor Advisory)

Frequently asked questions

What is CVE-2015-6971?: CVE-2015-6971 is a high-severity vulnerability in Lenovo System Update, classified under Command Injection. CVSS score: 7.8/10. Published 2017-10-03.
How severe is CVE-2015-6971?: High severity. CVSS v3 base score is 7.8 out of 10.