LOW
CVE-2015-3320
CWE-200Published: April 16, 2015· Updated: Jun 17, 2026
2.1
CVSS v3.1
Official Description
Lenovo USB Enhanced Performance Keyboard software before 2.0.2.2 includes active debugging code in SKHOOKS.DLL, which allows local users to obtain keypress information by accessing debug output.
Technical Analysis
CVE-2015-3320 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityNone
AvailabilityNone
AV:L/AC:L/Au:N/C:P/I:N/A:N
Affected Vendors & Products
Lenovo1 product(s)
usb enhanced performance keyboard
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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GitHub PoC Search
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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)
→
http://www.securityfocus.com/bid/74196Third Party Advisory · VDB Entry
→
https://support.lenovo.com/us/en/product_security/usbenhancedkeyboardPatch · Vendor Advisory
→
http://www.securityfocus.com/bid/74196Third Party Advisory · VDB Entry
→
https://support.lenovo.com/us/en/product_security/usbenhancedkeyboardPatch · Vendor Advisory
Quick Facts
CVE IDCVE-2015-3320
CVSS Score2.1 / 10
SeverityLOW
WeaknessCWE-200
CISA KEVNo
Affected1 vendor(s)
PublishedApr 16, 2015
Related CVEs (CWE-200)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2015-3320 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.