How severe is CVE-2021-44454?

CVE-2021-44454 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-2021-44454 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-2021-44454?

CVE-2021-44454 affects Intel Quartus Prime. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-44454?

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-2021-44454 published?

CVE-2021-44454 was published on 2022-02-09 and last updated on 2026-06-17.

CVE-2021-44454

CVE-2021-44454 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. The underlying weakness is classified as CWE-20.

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
Weakness: CWE-20
Affected product: Intel Quartus Prime
Published: 2022-02-09
Last modified: 2026-06-17

Description

Improper input validation in a third-party component for 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-2021-44454?: Improper input validation in a third-party component for 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-2021-44454?: CVE-2021-44454 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-2021-44454 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-2021-44454?: CVE-2021-44454 affects Intel Quartus Prime. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-44454?: 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-2021-44454 published?: CVE-2021-44454 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:*:*:*

More vulnerabilities in Intel Quartus Prime

CVE-2022-21220 — High (CVSS 7.8): Improper restriction of XML external entity for Intel(R) Quartus(R) Prime Pro Edition before version 21.3 may allow an…
CVE-2022-21204 — High (CVSS 7.8): Improper permissions for Intel(R) Quartus(R) Prime Pro Edition before version 21.3 may allow an authenticated user to…
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…
CVE-2022-21174 — High (CVSS 7.8): Improper access control in a third-party component of Intel(R) Quartus(R) Prime Pro Edition before version 21.3 may…
CVE-2019-14603 — High (CVSS 7.8): Improper permissions in the installer for the License Server software for Intel® Quartus® Prime Pro Edition before…
CVE-2019-0171 — High (CVSS 7.8): Improper directory permissions in the installer for Intel(R) Quartus(R) software may allow an authenticated user to…

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