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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.

Published: Nov 11, 2022Updated: Feb 4, 2025 Sources: CVE List NVD csafCWE-367
7.9HIGH
NVD MITRE
EPSS Score
0.1%
Top 97.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

Intel has published information on vulnerabilities in Intel products in November 2022. This advisory lists the related Siemens Industrial products affected by these vulnerabilities that can be patched by applying the corresponding BIOS update ("2022.3 IPU – BIOS Advisory" Intel-SA-00688). Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:HUI:NS:CC:NI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-367

Affected Products

intel
commercial·USaka intel corp.
celeron 1000m firmware
Hardware Firmware
celeron 1005m firmware
Hardware Firmware
celeron 1007u firmware
Hardware Firmware
celeron 1017u firmware
Hardware Firmware
celeron 1019y firmware
Hardware Firmware
celeron 1020e firmware
Hardware Firmware
celeron 1020m firmware
Hardware Firmware
celeron 1037u firmware
Hardware Firmware
and 440 more affected products View all →

Exploitability

Official Patch Available
Workaround Available
Is your org exposed to CVE-2022-21198?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://cert-portal.siemens.com/productcert/csaf/ssa-686975.json
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-686975.html
cert-portal.siemens.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2023/icsa-23-047-09.json
raw.githubusercontent.com
and 8 more references View all →
News mentions
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