Security readout for executives and security teams
Plain-English summary
RemotePC for Windows before 7.6.48 could expose a device’s Personal Key during a LAN connection attempt. An attacker positioned between the client and network traffic could recover that key because it was protected only by a substitution cipher. This matters most where RemotePC is used for sensitive or privileged remote access.
Executive priority
Prioritize remediation for administrative workstations, servers, and any system reachable through RemotePC. The issue is not reported as actively exploited, but it involves recovery of a remote access secret, so delayed cleanup increases credential-risk exposure.
Technical view
CVE-2021-34687 is an information disclosure issue in iDrive RemotePC on Windows before 7.6.48. During attempted LAN connections, the Personal Key is transmitted over the network with weak substitution-cipher protection, allowing a man-in-the-middle observer to recover it. The sources do not provide CVSS, CWE, or detailed vendor remediation beyond the fixed version boundary.
Likely exposure
Exposure appears limited to Windows installations of RemotePC before 7.6.48, specifically when clients attempt LAN connections on a network where an attacker can intercept traffic. Internet-wide exposure is not established by the provided sources.
Exploitation context
The CVE record describes a man-in-the-middle recovery of the Personal Key. The source bundle does not show CISA KEV listing, active exploitation, public weaponization, or confirmed exploitation in the wild.
Researcher notes
Evidence is concise but consistent: the affected product, version threshold, attack position, and weak protection mechanism are stated in the CVE description and disclosure reference. Missing details include CVSS, CWE classification, exploit prevalence, and full downstream impact after Personal Key recovery.
Mitigation direction
- Upgrade RemotePC for Windows to version 7.6.48 or later.
- Rotate Personal Keys for systems that used affected versions.
- Review vendor release notes and guidance for any additional remediation.
- Restrict untrusted LAN access around remote access hosts.
- Monitor remote access logs for unusual connection patterns.
Validation and detection
- Inventory Windows endpoints running RemotePC and record versions.
- Confirm no installation remains below 7.6.48.
- Identify hosts that used LAN connection features before upgrade.
- Verify Personal Keys were rotated after remediation.
- Check whether exposed systems had privileged remote access.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2021-34687 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.remotepc.com/release-infoCVE reference · x_refsource_MISC
- https://raw.githubusercontent.com/jacob-baines/vuln_disclosure/main/vuln_2021_01.txtCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.