CVE-2021-33120
Last modified
CVE-2021-33120 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Out of bounds read under complex microarchitectural condition in memory subsystem for some Intel Atom(R) Processors may allow authenticated user to potentially enable information disclosure or cause denial of service via network access.. EPSS estimates a 1.00% chance of exploitation in the next 30 days.
Description
Out of bounds read under complex microarchitectural condition in memory subsystem for some Intel Atom(R) Processors may allow authenticated user to potentially enable information disclosure or cause denial of service via network access.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Intel | Atom P5942b Firmware | All versions |
| Intel | Atom P5931b Firmware | All versions |
| Intel | Atom P5962b Firmware | All versions |
| Intel | Atom P5921b Firmware | All versions |
| Intel | Xeon D1700 Firmware | All versions |
| Intel | Xeon D2700 Firmware | All versions |
| Intel | Core I5-L16g7 Firmware | All versions |
| Intel | Core I3-L13g4 Firmware | All versions |
| Intel | Pentium J6425 Firmware | All versions |
| Intel | Pentium N6415 Firmware | All versions |
| Intel | Celeron J6413 Firmware | All versions |
| Intel | Celeron N6211 Firmware | All versions |
| Intel | Atom X6413e Firmware | All versions |
| Intel | Atom X6425re Firmware | All versions |
| Intel | Atom X6427fe Firmware | All versions |
| Intel | Atom X6212re Firmware | All versions |
| Intel | Atom X6200fe Firmware | All versions |
| Intel | Atom X6211e Firmware | All versions |
| Intel | Atom X6425e Firmware | All versions |
| Intel | Pentium Silver N6005 Firmware | All versions |
| Intel | Pentium Silver N6000 Firmware | All versions |
| Intel | Celeron N4505 Firmware | All versions |
| Intel | Celeron N4500 Firmware | All versions |
| Intel | Celeron N5105 Firmware | All versions |
| Intel | Celeron N5100 Firmware | All versions |
References
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00589.htmlMitigation, Vendor Advisory
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00589.htmlMitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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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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