CVE-2021-0086
MEDIUMCVSS 6.5/10EPSS 0.37%
Last modified
CVE-2021-0086 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Observable response discrepancy in floating-point operations for 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 floating-point operations for 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 |
|---|---|---|
| Intel | Brand Verification Tool | < 11.0.0.1225 |
| 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/2021/06/08/7Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/06/09/2Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/06/10/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/06/08/7Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/06/09/2Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/06/10/1Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-0086?
Observable response discrepancy in floating-point operations for some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.
How severe is CVE-2021-0086?
CVE-2021-0086 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-2021-0086?
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-2021-0086?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST