HIGH
CVE-2015-6971
CWE-77Published: October 3, 2017· Updated: Jun 17, 2026
7.8
CVSS v3.1
Official Description
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.
Technical Analysis
CVE-2015-6971 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Vendors & Products
Lenovo1 product(s)
system update
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories
All References (4)
→
→
https://www.trustwave.com/Resources/Security-Advisories/Advisories/TWSL2015-018/?fid=7172Exploit · Third Party Advisory
→
→
https://www.trustwave.com/Resources/Security-Advisories/Advisories/TWSL2015-018/?fid=7172Exploit · Third Party Advisory
Quick Facts
CVE IDCVE-2015-6971
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-77
CISA KEVNo
Affected1 vendor(s)
PublishedOct 3, 2017
Related CVEs (CWE-77)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2015-6971 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.