How severe is CVE-2022-21233?

CVE-2022-21233 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-21233 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-21233?

CVE-2022-21233 primarily affects Intel Pentium J4205 Firmware. In total, 334 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-21233?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-21233 published?

CVE-2022-21233 was published on 2022-08-18 and last updated on 2026-06-17.

CVE-2022-21233

CVE-2022-21233 is a medium-severity vulnerability in Intel Pentium J4205 Firmware with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Intel Pentium J4205 Firmware
Published: 2022-08-18
Last modified: 2026-06-17

Description

Improper isolation of shared resources in some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access.

Frequently asked questions

What is CVE-2022-21233?: Improper isolation of shared resources in some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access.
How severe is CVE-2022-21233?: CVE-2022-21233 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-21233 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-21233?: CVE-2022-21233 primarily affects Intel Pentium J4205 Firmware. In total, 334 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-21233?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-21233 published?: CVE-2022-21233 was published on 2022-08-18 and last updated on 2026-06-17.

References

Affected products (334)

cpe:2.3:o:intel:pentium_j4205_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:pentium_n4200_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:pentium_n4200e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_j3455_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_j3355_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_j3455e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_j3355e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_n3450_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_n3350_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_n3350e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_x5-a3930_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_x5-a3940_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_x5-a3950_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_x5-a3960_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_x5-e3940_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_x5-e3930_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_x7-e3950_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_c3308_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_c3336_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_c3338_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_c3338r_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_c3436l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_c3508_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_c3538_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_c3558_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_c3558r_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_c3558rc_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_c3708_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_c3750_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_c3758_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_c3758r_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_c3808_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_c3830_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_c3850_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_c3858_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_c3950_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_c3958_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:atom_c3955_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_platinum_8300_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6300_firmware:-:*:*:*:*:*:*:*

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