What’s Vulnerable › Vulnerabilities

CVE-2021-33120

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-02-09 · updated 2026-06-17
• Weakness: CWE-125

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.

Affected products

• Intel Atom P5921B Firmware: all versions
• Intel Atom P5931B Firmware: all versions
• Intel Atom P5942B Firmware: all versions
• Intel Atom P5962B Firmware: all versions
• Intel Atom X6200Fe Firmware: all versions
• Intel Atom X6211E Firmware: all versions
• Intel Atom X6212Re Firmware: all versions
• Intel Atom X6413E Firmware: all versions
• Intel Atom X6425E Firmware: all versions
• Intel Atom X6425Re Firmware: all versions
• Intel Atom X6427Fe Firmware: all versions
• Intel Celeron J6413 Firmware: all versions
• Intel Celeron N4500 Firmware: all versions
• Intel Celeron N4505 Firmware: all versions
• Intel Celeron N5100 Firmware: all versions
• Intel Celeron N5105 Firmware: all versions
• Intel Celeron N6211 Firmware: all versions
• Intel Core I3-L13G4 Firmware: all versions
• Intel Core I5-L16G7 Firmware: all versions
• Intel Pentium J6425 Firmware: all versions
• Intel Pentium N6415 Firmware: all versions
• Intel Pentium Silver N6000 Firmware: all versions
• Intel Pentium Silver N6005 Firmware: all versions
• Intel Xeon D1700 Firmware: all versions
• Intel Xeon D2700 Firmware: all versions

References

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00589.html
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00589.html

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