What is CVE-2021-34691?

CVE-2021-34691 is a high-severity vulnerability in Idrive Remotepc. CVSS score: 7.5/10. Published 2021-07-15.

How severe is CVE-2021-34691?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Idrive Remotepc

CVE-2021-34691

iDrive RemotePC before 4.0.1 on Linux allows denial of service. A remote and unauthenticated attacker can disconnect a valid user session by connecting to an ephemeral port.

Published 2021-07-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

References

www.remotepc.com/release-info (Release Notes, Vendor Advisory)
raw.githubusercontent.com/jacob-baines/vuln_disclosure/main/vuln_2021_01.txt (Third Party Advisory)

Frequently asked questions

What is CVE-2021-34691?: CVE-2021-34691 is a high-severity vulnerability in Idrive Remotepc. CVSS score: 7.5/10. Published 2021-07-15.
How severe is CVE-2021-34691?: High severity. CVSS v3 base score is 7.5 out of 10.