CVE Tools
Sign in

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
NVD MITRE
7.9CVSSHIGH
EPSS Score
0.1%
Top 97.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch 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.

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(R) Processorsn/a
celeron 1000m firmwareintelHardware Firmware
celeron 1005m firmwareintelHardware Firmware
celeron 1007u firmwareintelHardware Firmware
celeron 1017u firmwareintelHardware Firmware
intelcommercialUSHardware Firmwareaka intel corp.
and 443 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available
Workaround Available

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 →

Timeline

Published
Nov 11, 2022
Last Updated
Feb 4, 2025

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2022-21198 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows