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CVE-2021-3849
CVE
Critical

An authentication bypass vulnerability was discovered in the web interface of the Lenovo Fan Power Controller2 (FPC2) and Lenovo System Man…

CVSS
9.8
Critical
EPSS
0.01
p64
Published
2021-01-01
Updated
2021-01-01
Description

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.

Tags · CWE
Pre-authAuth bypass
CWE-288
CAPEC-127
CAPEC-665
Affected products
Nextscale_fan_power_controller_firmwareNextscale_n1200_enclosure_firmwareThinkagile_hx_enclosure_certified_node_firmwareThinkagile_vx_enclosure_firmwareThinksystem_d2_enclosure_firmware
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Timeline
2021-01-01
Published
2021-01-01
Updated
CVSS 3.1 breakdown
Attack Vector
AV: N
Network (N)
Attack Complexity
AC: L
Low (L)
Privileges Required
PR: N
None (N)
User Interaction
UI: N
None (N)
Scope
S: U
Unchanged (U)
Confidentiality Impact
C: H
High (H)
Integrity Impact
I: H
High (H)
Availability Impact
A: H
High (H)
Exploit indicators
EPSS
0.012 · p64
Known exploited (KEV)
No
MITRE ATT&CK
Inferred via CAPEC
└ via CAPEC-127 · CWE-288
└ via CAPEC-665 · CWE-288
└ via CAPEC-665 · CWE-288
└ via CAPEC-665 · CWE-288
Known exploits — Сканер-ВС
No Сканер-ВС checks registered for this vulnerability yet.
Affected products
ProductVendorStatus
nextscale_fan_power_controller_firmware*Tracked
nextscale_n1200_enclosure_firmware*Tracked
thinkagile_hx_enclosure_certified_node_firmware*Tracked
thinkagile_vx_enclosure_firmware*Tracked
thinksystem_d2_enclosure_firmware*Tracked
Source databases
CVE