CVE-2021-0089
MEDIUMCVSS 6.5/10EPSS 0.37%
Last modified
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/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Weakness Enumeration
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://security.gentoo.org/glsa/202107-30Third Party Advisory
- https://www.debian.org/security/2021/dsa-4931Third Party 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://security.gentoo.org/glsa/202107-30Third Party Advisory
- https://www.debian.org/security/2021/dsa-4931Third Party Advisory
Timeline
- Published
- Last Modified
- 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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-0089?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST