CVE-2022-21198
CVE-2022-21198 is a high-severity vulnerability in Intel Celeron 1000m Firmware with a CVSS 3.x base score of 7.9. 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-367.
Key facts
- Severity: High (CVSS 3.x base score 7.9)
- EPSS exploit prediction: 0% (3rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-367
- Affected product: Intel Celeron 1000m Firmware
- Published:
- Last modified:
Description
Time-of-check time-of-use race condition in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.
Frequently asked questions
- What is CVE-2022-21198?
- Time-of-check time-of-use race condition in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.
- How severe is CVE-2022-21198?
- CVE-2022-21198 has a CVSS 3.x base score of 7.9, rated high severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
- Is CVE-2022-21198 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-21198?
- CVE-2022-21198 primarily affects Intel Celeron 1000m Firmware. In total, 447 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2022-21198?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2022-21198 published?
- CVE-2022-21198 was published on 2022-11-11 and last updated on 2026-06-17.
References
Affected products (447)
- cpe:2.3:o:intel:celeron_1000m_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_1005m_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_1007u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_1017u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_1019y_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_1020e_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_1020m_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_1037u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_1047ue_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_2955u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_2957u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_2970m_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_2980u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_2981u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_3755u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_3765u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_3855u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_3865u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_3867u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_3955u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_3965u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_3965y_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_4205u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_4305u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_4305ue_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_5205u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_5305u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_6305_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_6305e_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_6600he_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_725c_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_7300_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_7305_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_787_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_797_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_807_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_807ue_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_827e_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_847_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_847e_firmware:-:*:*:*:*:*:*:*
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