CVE-2021-34687: iDrive RemotePC before 7.6.48 on Windows allows information disclosure

Q: How do I fix CVE-2021-34687?

remotepc: upgrade to 7.6.48. Exact commands for each OS are on this page.

Q: Is CVE-2021-34687 being exploited?

CVE-2021-34687 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-34687 affect?

CVE-2021-34687 affects remotepc. Severity is medium (CVSS 5.3). 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 bei

Q: How urgent is CVE-2021-34687?

Priority 22/100. No elevated risk signals yet.

Routine

MEDIUM 5.3UPGRADE

CVE-2021-34687 is a medium-severity flaw (CVSS 5.3) affecting remotepc. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Adjacent network
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-327
Published	2021-07-15
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: idrive

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-07-15 14:15 UTCPublished CVE record published
2026-06-17 03:56 UTCUpdated Record last modified

idrive remotepc UPGRADE

Affected: < 7.6.48

Fixed in: 7.6.48

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy remotepc || rpm -q remotepc || remotepc --version

2. UPGRADE to 7.6.48 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade remotepc

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade remotepc

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-34687?

remotepc: upgrade to 7.6.48. Exact commands for each OS are on this page.

Is CVE-2021-34687 being exploited?

CVE-2021-34687 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-34687 affect?

CVE-2021-34687 affects remotepc. Severity is medium (CVSS 5.3). 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 bei

How urgent is CVE-2021-34687?

Priority 22/100. No elevated risk signals yet.

Software pages

Windows vulnerabilities

Related CVEs

CVE-2021-34692 HIGH 7.8 UPGRADE iDrive RemotePC before 7.6.48 on Windows allows privilege escalation
CVE-2021-34691 HIGH 7.5 UPGRADE iDrive RemotePC before 4.0.1 on Linux allows denial of service
CVE-2021-34690 CRITICAL 9.8 UPGRADE iDrive RemotePC before 7.6.48 on Windows allows authentication bypass
CVE-2021-34689 MEDIUM 5.5 UPGRADE iDrive RemotePC before 7.6.48 on Windows allows information disclosure
CVE-2021-34688 LOW 3.3 UPGRADE iDrive RemotePC before 7.6.48 on Windows allows information disclosure

References

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