CVEvulnerability
CVE-2021-3843
6.7 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-11-12
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.7 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 6.7 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-20
Description
A potential vulnerability in the SMI function to access EEPROM in some ThinkPad models may allow an attacker with local access and elevated privileges to execute arbitrary code.
Affected configurations
• lenovo thinkpad 11e 3rd gen firmware (<= 1.22)
• lenovo thinkpad 11e 3rd gen firmware (<= 1.29)
• lenovo thinkpad 11e 4th gen i3 firmware (<= 1.22)
• lenovo thinkpad 11e 4th gen i7 firmware (<= 1.22)
• lenovo thinkpad 11e 4th gen i5 firmware (<= 1.22)
• lenovo thinkpad 11e 4th gen celeron firmware (<= 1.27)
• lenovo thinkpad 11e yoga gen 6 firmware (<= 1.12)
• lenovo thinkpad 13 gen 2 firmware (<= 1.29)
• lenovo thinkpad l13 firmware (<= 1.31)
• lenovo thinkpad l13 gen 2 firmware (<= 1.11)
• lenovo thinkpad l13 gen 2 firmware (<= 1.08)
• lenovo thinkpad l13 yoga firmware (<= 1.31)
• lenovo thinkpad l13 yoga gen 2 firmware (<= 1.11)
• lenovo thinkpad l13 yoga gen 2 firmware (<= 1.08)
• lenovo thinkpad l14 gen 1 firmware (< 1.15)
• lenovo thinkpad l14 firmware (< 1.20.1.17)
• lenovo thinkpad l15 gen 1 firmware (< 1.15)
• lenovo thinkpad l15 firmware (< 1.20.1.17)
• lenovo thinkpad l380 firmware (<= 1.26)
• lenovo thinkpad l380 yoga firmware (<= 1.26)
• lenovo thinkpad l390 yoga firmware (<= 1.35)
• lenovo thinkpad l390 firmware (<= 1.35)
• lenovo thinkpad s5 2nd gen firmware (<= 1.28)
• lenovo thinkpad t460 firmware (<= 1.43.1.11)
• lenovo thinkpad s2 gen 6 firmware (<= 2021-09-30)
• lenovo thinkpad s2 yoga gen 6 firmware (<= 2021-09-30)
• lenovo thinkpad x12 detachable gen 1 firmware (< 1.16)
• lenovo thinkpad x260 firmware (<= 1.47\/1.15)
• lenovo thinkpad x380 yoga firmware (<= 1.34)
• lenovo thinkpad x390 yoga firmware (< n2let87w)
• lenovo thinkpad 11e 5th gen firmware (<= 1.13)
• lenovo thinkpad x1 fold gen 1 firmware (< n2pet50w)
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- https://support.lenovo.com/us/en/product_security/LEN-72619 Vendor Advisory
- https://support.lenovo.com/us/en/product_security/LEN-72619 Vendor Advisory