How severe is CVE-2021-34687?

CVE-2021-34687 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-34687 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-34687?

CVE-2021-34687 affects Idrive Remotepc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-34687?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-34687 published?

CVE-2021-34687 was published on 2021-07-15 and last updated on 2026-06-17.

CVE-2021-34687

CVE-2021-34687 is a medium-severity vulnerability in Idrive Remotepc with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-327.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 2.9
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-327
Affected product: Idrive Remotepc
Published: 2021-07-15
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-34687?: 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.
How severe is CVE-2021-34687?: CVE-2021-34687 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-34687 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-34687?: CVE-2021-34687 affects Idrive Remotepc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-34687?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-34687 published?: CVE-2021-34687 was published on 2021-07-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:idrive:remotepc:*:*:*:*:*:*:*:*

More vulnerabilities in Idrive Remotepc

CVE-2021-34690 — Critical (CVSS 9.8): iDrive RemotePC before 7.6.48 on Windows allows authentication bypass. A remote and unauthenticated attacker can bypass…
CVE-2021-34692 — High (CVSS 7.8): iDrive RemotePC before 7.6.48 on Windows allows privilege escalation. A local and low-privileged user can force…
CVE-2021-34691 — High (CVSS 7.5): iDrive RemotePC before 4.0.1 on Linux allows denial of service. A remote and unauthenticated attacker can disconnect a…
CVE-2021-34689 — Medium (CVSS 5.5): iDrive RemotePC before 7.6.48 on Windows allows information disclosure. A locally authenticated attacker can read the…
CVE-2021-34688 — Low (CVSS 3.3): iDrive RemotePC before 7.6.48 on Windows allows information disclosure. A locally authenticated attacker can read an…

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