High severity · published Feb 23, 2024
CVE-2021-33141
Improper input validation in some Intel(R) Ethernet Adapters and Intel(R) Ethernet Controller I225 Manageability firmware may allow an unauthenticated user to potentially enable…
8.6
CVSS
0.8%
EPSS
No
On KEV
Description
Improper input validation in some Intel(R) Ethernet Adapters and Intel(R) Ethernet Controller I225 Manageability firmware may allow an unauthenticated user to potentially enable denial of service via network access.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IE
Intel(R) Ethernet Adapters and Intel(R) Ethernet Controller I225 Manageability firmware ·
See references · source: vendor
EA
Ethernet Adapter Complete Driver · Intel
before 29.0.1 · source: NVD
EC
Ethernet Controller I225-it Firmware · Intel
before 1.87 · source: NVD
EC
Ethernet Controller I225-lm Firmware · Intel
before 1.87 · source: NVD
EC
Ethernet Controller I225-v Firmware · Intel
before 1.87 · source: NVD
EA
Ethernet Adapter · Intel
All versions, or not specified · source: CISA
EC
Ethernet Controller I225 Manageability Firmware · Intel
All versions, or not specified · source: CISA
Affected product
IE
Intel(R) Ethernet Adapters and Intel(R) Ethernet Controller I225 Manageability firmware
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-33141
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-33141
Vendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00756.html
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