CVE-2021-3897: Critical severity lenovo nextscale n1200 enclosure vulnerability
Published Apr 22, 2022
·Updated
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 Software
10 affected components
Lenovo Nextscale N1200 Enclosure Firmware<fhet50b-2.90
Lenovo Nextscale N1200 Enclosure
Lenovo Thinkagile Hx Enclosure Certified Node Firmware<tesm28b-1.21
Lenovo Thinkagile Hx Enclosure Certified Node
Lenovo Thinkagile Vx Enclosure Firmware<tesm28b-1.21
Lenovo Thinkagile Vx Enclosure
Lenovo Thinksystem D2 Enclosure Firmware<tesm28b-1.21
Lenovo Thinksystem D2 Enclosure
IBM Nextscale Fan Power Controller Firmware<44a-3.70
IBM Nextscale Fan Power Controller
Remediation
Information
Upgrade to the firmware version (or newer) indicated for your model in the Product Impact section in LEN-72615.
Event History
Apr 22, 2022
CVE Published
via MITRE·09:10 PM
Data Sourced
via MITRE·09:10 PM
RemedyDescriptionSeverityWeakness
Frequently Asked Questions
1
What is the vulnerability ID for this authentication bypass vulnerability?
The vulnerability ID is CVE-2021-3897.
2
What is the severity of CVE-2021-3897?
The severity of CVE-2021-3897 is critical with a CVSS score of 9.8.
3
Which Lenovo products are affected by CVE-2021-3897?
The Lenovo Fan Power Controller2 (FPC2) and Lenovo System Management Module (SMM) firmware are affected.
4
How does CVE-2021-3897 impact the affected products?
CVE-2021-3897 allows an unauthenticated attacker to execute commands on the SMM and FPC2.
5
How can I fix CVE-2021-3897?
To fix CVE-2021-3897, apply the necessary firmware updates provided by Lenovo, as mentioned in the reference link.