How severe is CVE-2021-25694?

CVE-2021-25694 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-25694 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-25694?

CVE-2021-25694 affects Teradici Pcoip Graphics Agent. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-25694?

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-2021-25694 published?

CVE-2021-25694 was published on 2021-05-13 and last updated on 2026-06-17.

CVE-2021-25694

CVE-2021-25694 is a high-severity vulnerability in Teradici Pcoip Graphics Agent 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-427.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.4
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Teradici Pcoip Graphics Agent
Published: 2021-05-13
Last modified: 2026-06-17

Description

Teradici PCoIP Graphics Agent for Windows prior to 21.03 does not validate NVENC.dll. An attacker could replace the .dll and redirect pixels elsewhere.

Frequently asked questions

What is CVE-2021-25694?: Teradici PCoIP Graphics Agent for Windows prior to 21.03 does not validate NVENC.dll. An attacker could replace the .dll and redirect pixels elsewhere.
How severe is CVE-2021-25694?: CVE-2021-25694 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-25694 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25694?: CVE-2021-25694 affects Teradici Pcoip Graphics Agent. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-25694?: 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-2021-25694 published?: CVE-2021-25694 was published on 2021-05-13 and last updated on 2026-06-17.

References

https://advisory.teradici.com/security-advisories/80/

Affected products (1)

cpe:2.3:a:teradici:pcoip_graphics_agent:*:*:*:*:*:windows:*:*

More vulnerabilities in Teradici Pcoip Graphics Agent

CVE-2020-13173 — High (CVSS 7.8): Initialization of the pcoip_credential_provider in Teradici PCoIP Standard Agent for Windows and PCoIP Graphics Agent…
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CVE-2021-25688 — Medium (CVSS 5.5): Under certain conditions, Teradici PCoIP Agents for Windows prior to version 20.10.0 and Teradici PCoIP Agents for…

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