HIGH
CVE-2015-2233
CWE-310Published: May 12, 2015· Updated: Jun 17, 2026
8.3
CVSS v3.1
Official Description
Lenovo System Update (formerly ThinkVantage System Update) before 5.06.0034 does not properly validate CA chains during signature validation, which allows man-in-the-middle attackers to upload and execute arbitrary files via a crafted certificate.
Technical Analysis
CVE-2015-2233 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:A/AC:L/Au:N/C:C/I:C/A:C
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
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NVD Detail
Official NIST entry
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CVE Program entry
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Official Patches & Advisories
All References (8)
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Quick Facts
CVE IDCVE-2015-2233
CVSS Score8.3 / 10
SeverityHIGH
WeaknessCWE-310
CISA KEVNo
Affected1 vendor(s)
PublishedMay 12, 2015
Related CVEs (CWE-310)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2015-2233 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.