How severe is CVE-2021-25695?

CVE-2021-25695 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-25695 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-25695?

CVE-2021-25695 affects Teradici Pcoip. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-25695?

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

When was CVE-2021-25695 published?

CVE-2021-25695 was published on 2021-07-21 and last updated on 2026-06-17.

CVE-2021-25695

CVE-2021-25695 is a high-severity vulnerability in Teradici Pcoip with a CVSS 3.x base score of 7.8. 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-782.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-782
Affected product: Teradici Pcoip
Published: 2021-07-21
Last modified: 2026-06-17

Description

The USB vHub in the Teradici PCOIP Software Agent prior to version 21.07.0 would accept commands from any program, which may allow an attacker to elevate privileges by changing the flow of program execution within the vHub driver.

Frequently asked questions

What is CVE-2021-25695?: The USB vHub in the Teradici PCOIP Software Agent prior to version 21.07.0 would accept commands from any program, which may allow an attacker to elevate privileges by changing the flow of program execution within the vHub driver.
How severe is CVE-2021-25695?: CVE-2021-25695 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-25695 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25695?: CVE-2021-25695 affects Teradici Pcoip. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-25695?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-25695 published?: CVE-2021-25695 was published on 2021-07-21 and last updated on 2026-06-17.

References

https://advisory.teradici.com/security-advisories/100/

Affected products (1)

cpe:2.3:a:teradici:pcoip:*:*:*:*:*:windows:*:*

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