CVE-2020-24454

Name: CVE-2020-24454
Creator: NVD / NIST
Published: 2020-11-12T19:15:14.66+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.18%

Last modified Jun 17, 2026

CVE-2020-24454 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 1.18% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.18%

63.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-611

Affected Software

Vendor	Product	Versions
Intel	Quartus Prime	<= 20.1
Intel	Quartus Prime	< 20.3

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00446Patch, Vendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00446Patch, Vendor Advisory

Timeline

Published: Nov 12, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-24454?

How severe is CVE-2020-24454?

CVE-2020-24454 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.18% probability of exploitation in the next 30 days.

How do I fix CVE-2020-24454?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-24454?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST