CVE-2021-44454
Improper input validation in a third-party component for Intel(R) Quartus(R) Prime Pro Edition...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.8
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.
- Record
CVE-2021-44454- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List
7.8
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.
- Record
CVE-2021-44454- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2021-31293
7.8
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.
- Record
EUVD-2021-31293- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-6cwq-q3w8-w3rx
7.8
Improper input validation in a third-party component for Intel(R) Quartus(R) Prime Pro Edition...
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.
- Record
GHSA-6cwq-q3w8-w3rx- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-44454 is a high vulnerability (CVSS 7.8) in Intel Quartus Prime, published February 9, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 17th percentile. No source names a fixed version.