Vulnerability Details : CVE-2022-4575
A vulnerability due to improper write protection of UEFI variables was reported in the BIOS of some ThinkPad models could allow an attacker with physical or local access and elevated privileges the ability to bypass Secure Boot.
Products affected by CVE-2022-4575
- cpe:2.3:o:lenovo:thinkpad_t470_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:thinkpad_t470s_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:thinkpad_t560_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:thinkpad_x260_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:thinkpad_x270_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:thinkpad_l560_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:thinkpad_p50_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:thinkpad_p50s_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:thinkpad_p70_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:thinkpad_yoga_260_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:thinkpad_25_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:thinkpad_x1_yoga_1st_gen_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:thinkpad_x1_carbon_4th_gen_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-4575
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 7 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-4575
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.7
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
0.8
|
5.9
|
NIST | |
|
6.7
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
0.8
|
5.9
|
Lenovo Group Ltd. |
CWE ids for CVE-2022-4575
-
During installation, installed file permissions are set to allow anyone to modify those files.Assigned by: psirt@lenovo.com (Primary)
References for CVE-2022-4575
-
https://support.lenovo.com/us/en/product_security/LEN-106014
ThinkPad BIOS Vulnerabilities - Lenovo Support USVendor Advisory
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