CVE-2020-24454

mediumpriority · track · 30EPSS 0.012 · 68 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.19% (68th) EPSS

CVSS 5 · medium

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-28

Improper Restriction of XML External Entity Reference in subsystem forIntel(R) Quartus(R) Prime Pro Edition before version 20.3 and Intel(R) Quartus(R) Prime Standard Edition before version 20.2 may allow unauthenticated user to potentially enable information disclosure via network access.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.16.5mediumAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-611USprimaryCWE-611US

affected products (5)

Products and version ranges known to be affected.

n/a Intel(R) Quartus(R) Prime Pro Edition and Intel(R) Quartus(R) Prime Standard Edition≤ Intel(R) Quartus(R) Prime Pro Edition before version 20.3 and Intel(R) Quartus(R) Prime Standard Edition before version 20.2enisa_euvdEU
Intel Corp. Intel Quartus Prime Pro≤ 20.3fstec_bduRU
Intel Corp. Intel Quartus Prime Standard≤ 20.1 Update1fstec_bduRU
intel quartus prime≤ 20.1nvdUScpe:2.3:a:intel:quartus_prime:*:*:*:*:*:*:*:*
intel quartus prime< 20.3nvdUScpe:2.3:a:intel:quartus_prime:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2020-11-12modified 2026-06-17

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+1517 more

references (6)

External citations — patches, advisories, analysis.

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