CVE-2021-34690: iDrive RemotePC before 7.6.48 on Windows allows authentication bypass

Q: How do I fix CVE-2021-34690?

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

Q: Is CVE-2021-34690 being exploited?

CVE-2021-34690 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-2021-34690 affect?

CVE-2021-34690 affects remotepc. Severity is critical (CVSS 9.8). iDrive RemotePC before 7.6.48 on Windows allows authentication bypass. A remote and unauthenticated attacker can bypass cloud authentication to connect and control a system via TCP port 5970 and 5980.

Q: How urgent is CVE-2021-34690?

Priority 57/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2021-34690 is a critical-severity flaw (CVSS 9.8) 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 authentication bypass. A remote and unauthenticated attacker can bypass cloud authentication to connect and control a system via TCP port 5970 and 5980.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 31%)
CISA exploited list	No
Weakness	CWE-287
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-2021-34690?

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

Is CVE-2021-34690 being exploited?

CVE-2021-34690 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-2021-34690 affect?

CVE-2021-34690 affects remotepc. Severity is critical (CVSS 9.8). iDrive RemotePC before 7.6.48 on Windows allows authentication bypass. A remote and unauthenticated attacker can bypass cloud authentication to connect and control a system via TCP port 5970 and 5980.

How urgent is CVE-2021-34690?

Priority 57/100. Critical severity; Remotely exploitable, no login, no user action

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-2021-34689 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
CVE-2021-34687 MEDIUM 5.3 UPGRADE iDrive RemotePC before 7.6.48 on Windows allows information disclosure

References

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