How severe is CVE-2022-21136?

CVE-2022-21136 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 none, integrity none, and availability high.

Is CVE-2022-21136 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-21136?

CVE-2022-21136 primarily affects Intel Core I9-7940x Firmware. In total, 146 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-21136?

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

When was CVE-2022-21136 published?

CVE-2022-21136 was published on 2022-05-12 and last updated on 2026-06-17.

CVE-2022-21136

CVE-2022-21136 is a medium-severity vulnerability in Intel Core I9-7940x 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. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.9
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Intel Core I9-7940x Firmware
Published: 2022-05-12
Last modified: 2026-06-17

Description

Improper input validation for some Intel(R) Xeon(R) Processors may allow a privileged user to potentially enable denial of service via local access.

Frequently asked questions

What is CVE-2022-21136?: Improper input validation for some Intel(R) Xeon(R) Processors may allow a privileged user to potentially enable denial of service via local access.
How severe is CVE-2022-21136?: CVE-2022-21136 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 none, integrity none, and availability high.
Is CVE-2022-21136 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-21136?: CVE-2022-21136 primarily affects Intel Core I9-7940x Firmware. In total, 146 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-21136?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-21136 published?: CVE-2022-21136 was published on 2022-05-12 and last updated on 2026-06-17.

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00616.html

Affected products (146)

cpe:2.3:o:intel:core_i9-7940x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:core_i9-7960x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:core_i9-7980xe_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:core_i9-7920x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:core_i9-7900x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6138p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_bronze_3104_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_bronze_3106_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_5115_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_5118_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_5119t_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_5120_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_5120t_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_5122_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6126_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6126f_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6126t_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6128_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6130_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6130f_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6130t_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6132_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6134_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6136_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6138_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6138f_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6138t_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6140_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6142_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6142f_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6144_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6146_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6148_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6148f_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6150_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6152_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_6154_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_platinum_8153_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_platinum_8156_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_platinum_8158_firmware:-:*:*:*:*:*:*:*

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