No exploitation reportedFix available

CVE-2022-21205

Q: Is CVE-2022-21205 actively exploited?

Active exploitation of CVE-2022-21205 has not been confirmed. Its EPSS score was 1.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2022-21205?

CVE-2022-21205 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

No exploitation reported by the sources we read.

Published2022-02-09
Fixed in21.3
WeaknessCWE-611

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Improper restriction of XML external entity reference in DSP Builder Pro for Intel(R) Quartus(R) Prime Pro Edition before version 21.3 may allow an unauthenticated user to potentially enable information disclosure via network access.

Timeline

dates in UTC

2022-02-0923:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-21205?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-21205?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Intel quartus prime

Branch	Affected	Fixed in	Source
21.3	< 21.3	21.3	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Intel quartus prime to 21.3

Advisories and patches

www.intel.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2025-04-23
OpenCVESSVC decisionnone—
CISA-ADPCVSS 3.17.52025-05-05
NVDCVSS 3.17.5read 2026-10-23
NVDCVSS 2.05read 2026-10-23
CISA-ADPweakness (CWE)CWE-6112025-05-05
NVDweakness (CWE)CWE-611read 2026-10-23
FIRST EPSSEPSS score1.1 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published: 2022-02-09
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-21205?

Is CVE-2022-21205 actively exploited?

Active exploitation of CVE-2022-21205 has not been confirmed. Its EPSS score was 1.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-21205?

CVE-2022-21205 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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