Critical severity9.8NVD Advisory· Published Apr 22, 2022· Updated Jun 17, 2026
CVE-2021-3897
CVE-2021-3897
Description
An authentication bypass vulnerability was discovered in an internal service of the Lenovo Fan Power Controller2 (FPC2) and Lenovo System Management Module (SMM) firmware during an that could allow an unauthenticated attacker to execute commands on the SMM and FPC2. SMM2 is not affected.
Affected products
4(expand)+ 1 more
- (no CPE)
- (no CPE)range: various
(expand)+ 1 more
- (no CPE)
- (no CPE)range: various
Patches
Vulnerability mechanics
References
1- support.lenovo.com/us/en/product_security/LEN-72615nvdVendor Advisory
News mentions
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