CVE-2021-33120
Medium
Published: 09 February 2022
Published
09 February 2022
Modified
05 May 2025
KEV Added
—
Patch
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CVSS Score v3.1
5.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
EPSS Score
0.0069
72.2th percentile
Risk Priority
11
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-33120 is a medium-severity Out-of-bounds Read (CWE-125) vulnerability in Intel Atom P5942B Firmware. Its CVSS base score is 5.4 (Medium).
Operationally, ranked in the top 27.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-19835
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
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
+15 more product configuration(s) — see NVD for full list
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.