CVE-2021-0089

Name: CVE-2021-0089
Creator: NVD / NIST
Published: 2021-06-09T20:15:08.543+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.37%

Last modified Jun 17, 2026

CVE-2021-0089 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Observable response discrepancy in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.

Description

Observable response discrepancy in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.37%

29.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-203

Affected Software

Vendor	Product	Versions
Debian	Debian Linux	10.0
Fedoraproject	Fedora	33
Fedoraproject	Fedora	34
Intel	Pentium Processors Firmware	All versions
Intel	Celeron Processors Firmware	All versions
Intel	Xeon Processors Firmware	All versions
Intel	Core Processors Firmware	All versions
Intel	Itanium Processors Firmware	All versions

References

http://www.openwall.com/lists/oss-security/2021/06/10/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/06/10/10Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/06/10/11Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H36U6CNREC436W6GYO7QUMJIVEA35SCV/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVA2NY26MMXOODUMYZN5DCU3FXMBMBOB/
https://security.gentoo.org/glsa/202107-30Third Party Advisory
https://www.debian.org/security/2021/dsa-4931Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00516.htmlVendor Advisory
http://www.openwall.com/lists/oss-security/2021/06/10/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/06/10/10Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/06/10/11Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H36U6CNREC436W6GYO7QUMJIVEA35SCV/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVA2NY26MMXOODUMYZN5DCU3FXMBMBOB/
https://security.gentoo.org/glsa/202107-30Third Party Advisory
https://www.debian.org/security/2021/dsa-4931Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00516.htmlVendor Advisory

Timeline

Published: Jun 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-0089?

Observable response discrepancy in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.

How severe is CVE-2021-0089?

CVE-2021-0089 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.

How do I fix CVE-2021-0089?

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-2021-0089?

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

Scan your code now

Source: NVD / NIST