Incorrect default permissions in Lenovo ThinkPad BIOS
Priority LOW 29CWE-276Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.0018 7th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Lenovo | ThinkPad BIOS | various | — | No fix listed | CNA |
- ThinkPad BIOS VendorLenovo Affected various Fixed in — No fix listed CNA
CPE configurations NVD · 26
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:lenovo:thinkpad_25_firmware:*:*:*:*:*:*:*:* | before 1.73 | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkpad_25:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkpad_l560_firmware:*:*:*:*:*:*:*:* | before 1.62 | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkpad_l560:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkpad_p50_firmware:*:*:*:*:*:*:*:* | before 1.71 | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkpad_p50:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkpad_p50s_firmware:*:*:*:*:*:*:*:* | before 1.45 | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkpad_p50s:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkpad_p70_firmware:*:*:*:*:*:*:*:* | before 2.45 | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkpad_p70:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
- cpe:2.3:o:lenovo:thinkpad_25_firmware:*:*:*:*:*:*:*:* Versions before 1.73 Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkpad_25:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkpad_l560_firmware:*:*:*:*:*:*:*:* Versions before 1.62 Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkpad_l560:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkpad_p50_firmware:*:*:*:*:*:*:*:* Versions before 1.71 Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkpad_p50:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkpad_p50s_firmware:*:*:*:*:*:*:*:* Versions before 1.45 Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkpad_p50s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkpad_p70_firmware:*:*:*:*:*:*:*:* Versions before 2.45 Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkpad_p70:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
Show 16 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:lenovo:thinkpad_t470_firmware:*:*:*:*:*:*:*:* | before 1.73 | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkpad_t470:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkpad_t470s_firmware:*:*:*:*:*:*:*:* | before 1.49 | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkpad_t470s:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkpad_t560_firmware:*:*:*:*:*:*:*:* | before 1.45 | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkpad_t560:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkpad_x1_carbon_4th_gen_firmware:*:*:*:*:*:*:*:* | before 1.56 | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkpad_x1_carbon_4th_gen:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkpad_x1_yoga_1st_gen_firmware:*:*:*:*:*:*:*:* | before 1.56 | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkpad_x1_yoga_1st_gen:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkpad_x260_firmware:*:*:*:*:*:*:*:* | before 1.50 | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkpad_x260:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkpad_x270_firmware:*:*:*:*:*:*:*:* | before 1.47 | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkpad_x270:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkpad_yoga_260_firmware:*:*:*:*:*:*:*:* | before 1.88 | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkpad_yoga_260:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
- cpe:2.3:o:lenovo:thinkpad_t470_firmware:*:*:*:*:*:*:*:* Versions before 1.73 Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkpad_t470:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkpad_t470s_firmware:*:*:*:*:*:*:*:* Versions before 1.49 Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkpad_t470s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkpad_t560_firmware:*:*:*:*:*:*:*:* Versions before 1.45 Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkpad_t560:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkpad_x1_carbon_4th_gen_firmware:*:*:*:*:*:*:*:* Versions before 1.56 Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkpad_x1_carbon_4th_gen:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkpad_x1_yoga_1st_gen_firmware:*:*:*:*:*:*:*:* Versions before 1.56 Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkpad_x1_yoga_1st_gen:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkpad_x260_firmware:*:*:*:*:*:*:*:* Versions before 1.50 Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkpad_x260:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkpad_x270_firmware:*:*:*:*:*:*:*:* Versions before 1.47 Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkpad_x270:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkpad_yoga_260_firmware:*:*:*:*:*:*:*:* Versions before 1.88 Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkpad_yoga_260:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-4575
- 2026-10-03 Alias added: GHSA-4m6r-j49h-94c5
References
More Lenovo Thinkpad 25 Firmware vulnerabilities
- TI-2019-13465 Incorrect parameter validation in the synaTee component of Synaptics WBF drivers using an… CVSS 3.1HIGH 7.8
- TI-2021-02546 Improper input validation in Lenovo ThinkPad BIOS CVSS 3.1MEDIUM 6.7
- TI-2019-13464 Incorrect access control in the firmware of Synaptics VFS75xx family fingerprint sensors… CVSS 3.1MEDIUM 6.0
- TI-2021-02717 Improper input validation in Lenovo Notebook and ThinkPad BIOS CVSS 3.1MEDIUM 5.5
Sources
- CVE-2022-4575 · CVE Program
- CVE-2022-4575 · NVD
- FIRST EPSS
- GHSA-4m6r-j49h-94c5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences