Medium severity · published Nov 11, 2022
CVE-2021-33164
Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may allow a privileged user to potentially enable escalation of privilege via local…
6.7
CVSS
0.2%
EPSS
No
On KEV
Description
Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may allow a privileged user to potentially enable escalation of privilege via local access.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IN
Intel(R) NUCs ·
before version INWHL357.0046 · source: vendor
N8
Nuc 8 Mainstream-g Kit Nuc8i5inh Firmware · Intel
before inwhl357.0046 · source: NVD
N8
Nuc 8 Mainstream-g Kit Nuc8i7inh Firmware · Intel
before inwhl357.0046 · source: NVD
N8
Nuc 8 Mainstream-g Mini PC Nuc8i5inh Firmware · Intel
before inwhl357.0046 · source: NVD
N8
Nuc 8 Mainstream-g Mini PC Nuc8i7inh Firmware · Intel
before inwhl357.0046 · source: NVD
IR
Intel R Nucs · Bios Firmware
before nwhl357.0046 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-33164
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-33164
Patch
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00752.html
www.kb.cert.org
https://www.kb.cert.org/vuls/id/434994
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