How severe is CVE-2021-25701?

CVE-2021-25701 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-25701 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-25701?

CVE-2021-25701 affects Teradici Pcoip Client. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-25701?

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

When was CVE-2021-25701 published?

CVE-2021-25701 was published on 2021-07-21 and last updated on 2026-06-17.

CVE-2021-25701

CVE-2021-25701 is a medium-severity vulnerability in Teradici Pcoip Client with a CVSS 3.x base score of 5.5. 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-401.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-401
Affected product: Teradici Pcoip Client
Published: 2021-07-21
Last modified: 2026-06-17

Description

The fUSBHub driver in the PCoIP Software Client prior to version 21.07.0 had an error in object management during the handling of a variety of IOCTLs, which allowed an attacker to cause a denial of service.

Frequently asked questions

What is CVE-2021-25701?: The fUSBHub driver in the PCoIP Software Client prior to version 21.07.0 had an error in object management during the handling of a variety of IOCTLs, which allowed an attacker to cause a denial of service.
How severe is CVE-2021-25701?: CVE-2021-25701 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-25701 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25701?: CVE-2021-25701 affects Teradici Pcoip Client. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-25701?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-25701 published?: CVE-2021-25701 was published on 2021-07-21 and last updated on 2026-06-17.

References

https://advisory.teradici.com/security-advisories/103/

Affected products (1)

cpe:2.3:a:teradici:pcoip_client:*:*:*:*:*:*:*:*

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