How severe is CVE-2022-21174?

CVE-2022-21174 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-2022-21174 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-21174?

CVE-2022-21174 affects Intel Quartus Prime. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-21174?

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-2022-21174 published?

CVE-2022-21174 was published on 2022-02-09 and last updated on 2026-06-17.

CVE-2022-21174

CVE-2022-21174 is a high-severity vulnerability in Intel Quartus Prime 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.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Intel Quartus Prime
Published: 2022-02-09
Last modified: 2026-06-17

Description

Improper access control in a third-party component of Intel(R) Quartus(R) Prime Pro Edition before version 21.3 may allow an authenticated user to potentially enable escalation of privilege via local access.

Frequently asked questions

What is CVE-2022-21174?: Improper access control in a third-party component of Intel(R) Quartus(R) Prime Pro Edition before version 21.3 may allow an authenticated user to potentially enable escalation of privilege via local access.
How severe is CVE-2022-21174?: CVE-2022-21174 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-2022-21174 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-21174?: CVE-2022-21174 affects Intel Quartus Prime. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-21174?: 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-2022-21174 published?: CVE-2022-21174 was published on 2022-02-09 and last updated on 2026-06-17.

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00632.html

Affected products (1)

cpe:2.3:a:intel:quartus_prime:*:*:*:*:pro:*:*:*

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CVE-2022-21203 — High (CVSS 7.8): Improper permissions in the SafeNet Sentinel driver for Intel(R) Quartus(R) Prime Standard Edition before version 21.1…
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