PSIRT Advisory – INTEL-SA-00446 - Intel® Quartus® Prime Advisory Intel® Quartus® Prime Advisory Corporate Pages Security {"description":"Intel\u00ae Quartus\u00ae Prime Advisory. Altera\u2019s Product Security Incident Response Team (PSIRT) advisories provide important disclosures, mitigations, and security updates.","title":"PSIRT Advisory \u2013 INTEL-SA-00446"} Altera Security Advisory: INTEL-SA-00446 Advisory Category: Software Impact of vulnerability: Information Disclosure Severity rating: Medium Original release: 11/10/2020 Last revised: 05/06/2026 Summary: A potential security vulnerability in Intel® Quartus® Prime may allow information disclosure. Intel is releasing software updates to mitigate this potential vulnerability. Vulnerability Details: CVEID: CVE-2020-24454 Description: Improper Restriction of XML External Entity Reference in subsystem for Intel® Quartus® Prime Pro Edition before version 20.3 and Intel® Quartus® Prime Standard Edition before version 20.2 may allow unauthenticated user to potentially enable information disclosure via network access. CVSS Base Score: 6.5 Medium CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Affected products: Intel® Quartus® Prime Pro before version 20.3. Intel® Quartus® Prime Standard before version 20.1 Update1. Recommendations: Intel recommends updating Intel® Quartus® Prime Pro to 20.3 or later and Intel® Quartus® Prime Standard to 20.1 Update1 or later. Intel® Quartus® Prime Pro updates are available for download at this location: https://www.altera.com/products/development-tools/quartus Intel® Quartus® Prime Standard updates are available for download at these locations: http://download.altera.com/akdlm/software/acs/20.1std/0.06std/quartus-20.1std-0.06std-linux.run http://download.altera.com/akdlm/software/acs/20.1std/0.06std/quartus-20.1std-0.06std-windows.exe Acknowledgements: Intel would like to thank Oussama Sahnoun for reporting this issue. Revision Date Description 1.0 11/10/2020 Initial Release 1.1 05/06/2026 Transfer Advisory to Altera. Legal Notices and Disclaimers Altera provides these materials as-is, with no express or implied warranties. All products, dates, and figures specified are preliminary based on current expectations, and are subject to change without notice. Altera products and services described may contain design defects or errors known as errata, which may cause the product to deviate from published specifications. Current characterized errata are available on request. Altera products that have met their End of Servicing Updates may no longer receive functional and security updates. Altera technologies’ features and benefits depend on system configuration and may require enabled hardware, software, or service activation. Performance varies depending on system configuration. No product or component can be absolutely secure. Check with your system manufacturer or retailer or learn more at https://www.altera.com. Some results may have been estimated or simulated using internal Altera analysis or architecture simulation or modeling and are provided for informational purposes only. Any differences in your system hardware, software, or configuration may affect your actual performance. © Altera Corporation. Altera, the Altera logo, and other Altera marks are trademarks of Altera Corporation in the United States and other countries. Other names and brands may be claimed as the property of others.