MEDIUM
CVE-2021-34687
CWE-327Published: July 15, 2021· Updated: Jun 17, 2026
5.3
CVSS v3.1
Official Description
iDrive RemotePC before 7.6.48 on Windows allows information disclosure. A man in the middle can recover a system's Personal Key when a client attempts to make a LAN connection. The Personal Key is transmitted over the network while only being encrypted via a substitution cipher.
Technical Analysis
CVE-2021-34687 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 5.3.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorAdjacent
Attack ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
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 (4)
→
→
https://www.remotepc.com/release-infoRelease Notes · Vendor Advisory
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https://www.remotepc.com/release-infoRelease Notes · Vendor Advisory
Quick Facts
CVE IDCVE-2021-34687
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-327
CISA KEVNo
Affected2 vendor(s)
PublishedJul 15, 2021
Related CVEs (CWE-327)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-34687 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. CVE data is provided under the NVD usage policy.