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CVE-2021-3897

Published: Apr 22, 2022Updated: Nov 21, 2024 Sources: CVE List NVDCWE-288
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
1.2%
Top 35.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-288NVD-CWE-noinfo

Affected Products

nextscale n1200 enclosure firmwarelenovoHardware Firmware
thinkagile hx enclosure certified node firmwarelenovoHardware Firmware
thinkagile vx enclosure firmwarelenovoHardware Firmware
thinksystem d2 enclosure firmwarelenovoHardware Firmware
nextscale fan power controller firmwareibm
On-prem
Enterprise Software / itsm-monitoring
lenovocommercialCNHardware Firmwareaka lenovo group
ibmcommercialUSEnterprise Softwareaka international business machines
and 2 more affected products View all →

Exploitability

Official Patch Available

References

https://support.lenovo.com/us/en/product_security/LEN-72615
support.lenovo.com

Timeline

Published
Apr 22, 2022
Last Updated
Nov 21, 2024

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