CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2021-3849
Critical (9.8). EPSS 1.3% chance of exploitation in the next 30 days.
An authentication bypass vulnerability was discovered in the web interface of the Lenovo Fan Power Controller2 (FPC2) and Lenovo System Management Module (SMM) firmware that could allow an unauthenticated attacker to execute commands on the SMM and FPC2. SMM2 is not affected.
Severity
- EPSS
- 1.3% chance of exploitation in the next 30 days; higher than 70% of CVEs (scores of 2026-10-31)
- CWE
- CWE-288
- Published
- Modified
- Record from
- the NVD, synced
Affected
- ibm:nextscale_fan_power_controller_firmware
- lenovo:nextscale_n1200_enclosure_firmware
- lenovo:thinkagile_hx_enclosure_certified_node_firmware
- lenovo:thinkagile_vx_enclosure_firmware
- lenovo:thinksystem_d2_enclosure_firmware