MEDIUM
CVE-2019-18199
CWE-319Published: October 24, 2019· Updated: Jun 17, 2026
6.6
CVSS v3.1
Official Description
An issue was discovered on Fujitsu Wireless Keyboard Set LX390 GK381 devices. Because of the lack of proper encryption of 2.4 GHz communication, and because of password-based authentication, they are vulnerable to replay attacks.
Technical Analysis
CVE-2019-18199 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
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 6.6.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorPhysical
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Vendors & Products
fujitsu2 product(s)
lx390 firmwarelx390
Source: NVD CPE · 2 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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Rapid7 / Metasploit
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PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (6)
→
http://packetstormsecurity.com/files/154954/Fujitsu-Wireless-Keyboard-Set-LX390-Replay-Attacks.htmlExploit · Third Party Advisory · VDB Entry
→
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-009.txtExploit · Third Party Advisory
→
→
http://packetstormsecurity.com/files/154954/Fujitsu-Wireless-Keyboard-Set-LX390-Replay-Attacks.htmlExploit · Third Party Advisory · VDB Entry
→
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-009.txtExploit · Third Party Advisory
Quick Facts
CVE IDCVE-2019-18199
CVSS Score6.6 / 10
SeverityMEDIUM
WeaknessCWE-319
CISA KEVNo
Affected1 vendor(s)
PublishedOct 24, 2019
Related CVEs (CWE-319)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-18199 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.