CVE-2021-3897

moderate-risk
Published 2022-04-22

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.

Do I need to act?

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0.36% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (5)

Nextscale N1200 Enclosure Firmware
Thinkagile Hx Enclosure Certified Node Firmware
Thinkagile Vx Enclosure Firmware
Thinksystem D2 Enclosure Firmware
Nextscale Fan Power Controller Firmware

Affected Vendors

Ibm Lenovo

References (2)

Vendor Advisory https://support.lenovo.com/us/en/product_security/LEN-72615
Vendor Advisory https://support.lenovo.com/us/en/product_security/LEN-72615
45
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 1/34 · Minimal
Exposure 12/34 · Low