How severe is CVE-2021-34690?

CVE-2021-34690 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-34690 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-34690?

CVE-2021-34690 affects Idrive Remotepc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-34690?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-34690 published?

CVE-2021-34690 was published on 2021-07-15 and last updated on 2026-06-17.

CVE-2021-34690

CVE-2021-34690 is a critical-severity vulnerability in Idrive Remotepc with a CVSS 3.x base score of 9.8. 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Idrive Remotepc
Published: 2021-07-15
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2021-34690?: 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 severe is CVE-2021-34690?: CVE-2021-34690 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-34690 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-34690?: CVE-2021-34690 affects Idrive Remotepc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-34690?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-34690 published?: CVE-2021-34690 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-2021-34692 — 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-2021-34687 — 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…
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…

All CVEs affecting Idrive Remotepc →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →