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LenovoCVELIST:CVE-2021-3849

HistoryApr 22, 2022 - 9:10 p.m.

CVE-2021-3849

2022-04-2221:10:11

CWE-288

lenovo

www.cve.org

lenovo

fpc2

smm

authentication bypass

vulnerability

web interface

firmware

unauthenticated attacker

execute commands

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

Confidence

High

EPSS

0.002

Percentile

54.3%

JSON

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.

CNA Affected

[
  {
    "product": "Fan Power Controller2 (FPC2)",
    "vendor": "Lenovo",
    "versions": [
      {
        "status": "affected",
        "version": "various"
      }
    ]
  },
  {
    "product": "Lenovo System Management Module (SMM)",
    "vendor": "Lenovo",
    "versions": [
      {
        "status": "affected",
        "version": "various"
      }
    ]
  }
]

References

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

Confidence

High

EPSS

0.002

Percentile

54.3%

JSON

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