Input validation error in Lenovo products - CVE-2021-4210

Vulnerability identifier: #VU62318

CSH Severity: Low

CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2021-4210

CWE-ID: CWE-20

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
IdeaCentre C5-14IMB05
ThinkCentre E95z
IdeaCentre 5-14IMB05
IdeaCentre AIO 3-22ADA6
IdeaCentre AIO 3-22IIL5
IdeaCentre AIO 3-22ITL6
IdeaCentre AIO 3-24ADA6
IdeaCentre AIO 3-24IIL5
IdeaCentre AIO 3-24ITL6
IdeaCentre AIO 3-27ITL6
IdeaCentre G5-14IMB05
ThinkCentre M700 Thin Client M700
ThinkCentre M700
ThinkCentre M70a
ThinkCentre M75n
ThinkCentre M800
ThinkCentre M810z
ThinkCentre M818z
ThinkCentre M820z
ThinkCentre M900
ThinkCentre M900x
ThinkCentre M90a Gen 2
ThinkCentre M910z
ThinkCentre M6600q/t/s
ThinkCentre M700q
ThinkCentre M8600t/s
ThinkCentre X1
ideacentre A540-24ICB
ideacentre A540-27ICB
Lenovo V410z
Lenovo V50t-13IMB
Lenovo V540-24IWL
YANGTIAN AfQ150
YTA8900f
ThinkEdge SE30
ThinkStation P310 Workstation
ThinkStation P520 Workstation
ThinkStation P520c Workstation
Stadia GGP-120

Software vendor:
Lenovo

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insufficient validation of user-supplied input within the SMI callback function in the NVME driver. A local user can execute arbitrary code with elevated privileges.

Install updates from vendor's website.

• https://support.lenovo.com/lu/uk/product_security/LEN-77639