Vulnerability · Published Nov 12, 2021 · Assigned by lenovo
CVE-2021-3719
Medium 6.7
In plain English
A medium-severity improper input validation in ThinkCentre and ThinkStation BIOS from Lenovo. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).
Severity (CVSS 3.1)6.7Medium
Exploit odds (30 days)0.3%top 83.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A potential vulnerability in the SMI callback function that saves and restore boot script tables used for resuming from sleep state in some ThinkCentre and ThinkStation models may allow an attacker with local access and elevated privileges to execute arbitrary code.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Lenovo | ThinkCentre and ThinkStation BIOS | various |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
References
- https://support.lenovo.com/us/en/product_security/LEN-67440 x_refsource_MISC