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CVE-2021-3897

CVE.org · Published

Historical CVEsJSONAI instructions

Record status
Published
Identifier year (not publication year)
2021
Source publication
Source updated
Imported by cveboard
Source snapshot
cve_2026-10-24_midnight_baseline ·

Plain text

CNA source text (English)

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.

Scoped product and version facts

Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.

Exploitation unknown; this catalogue does not assess exploitation.

Fan Power Controller2 (FPC2)

Vendor
Lenovo
Product
Fan Power Controller2 (FPC2)
Platforms
Unknown
Default status
Unknown
Fan Power Controller2 (FPC2) · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
variousaffectedUnavailableUnavailableUnavailableNone listed

Lenovo System Management Module (SMM)

Vendor
Lenovo
Product
Lenovo System Management Module (SMM)
Platforms
Unknown
Default status
Unknown
Lenovo System Management Module (SMM) · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
variousaffectedUnavailableUnavailableUnavailableNone listed