High severity · published Feb 16, 2023
CVE-2022-40080
Stack overflow vulnerability in Aspire E5-475G 's BIOS firmware, in the FpGui module, a second call to GetVariable services allows local attackers to execute arbitrary code in the…
7.8
CVSS
0.4%
EPSS
No
On KEV
Description
Stack overflow vulnerability in Aspire E5-475G 's BIOS firmware, in the FpGui module, a second call to GetVariable services allows local attackers to execute arbitrary code in the UEFI DXE phase and gain escalated privileges.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AE
Aspire E5-475g Firmware · Acer
1.21 · source: NVD