Medium severity · published Apr 21, 2022
CVE-2022-22558
Dell PowerEdge Server BIOS and Dell Precision Workstation 7910 and 7920 Rack BIOS contain an Improper SMM communication buffer verification vulnerability
6.0
CVSS
0.2%
EPSS
No
On KEV
Description
Dell PowerEdge Server BIOS and Dell Precision Workstation 7910 and 7920 Rack BIOS contain an Improper SMM communication buffer verification vulnerability. A Local High Privileged attacker could potentially exploit this vulnerability leading to arbitrary writes or denial of service.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
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
PP
PowerEdge Platform · Dell
before BIOS update for PowerEdge 13G Intel 1S/2S and 14G AMD · source: vendor
CF
C4130 Firmware · Dell
before 2.14.0 · source: NVD
CF
C6320 Firmware · Dell
before 2.14.1 · source: NVD
FF
Fc430 Firmware · Dell
before 2.14.0 · source: NVD
FF
Fc630 Firmware · Dell
before 2.14.0 · source: NVD
FF
Fc830 Firmware · Dell
before 2.14.0 · source: NVD
MF
M630 Firmware · Dell
before 2.14.0 · source: NVD
MF
M630p Firmware · Dell
before 2.14.0 · source: NVD
MF
M830 Firmware · Dell
before 2.14.0 · source: NVD
MF
M830p Firmware · Dell
before 2.14.0 · source: NVD
RF
R430 Firmware · Dell
before 2.14.0 · source: NVD
RF
R530 Firmware · Dell
before 2.14.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-22558
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-22558
Vendor Advisory
https://www.dell.com/support/kbdoc/000197971
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