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NozomiCVELIST:CVE-2021-45925

HistoryOct 24, 2022 - 12:00 a.m.

CVE-2021-45925 Username Enumeration

2022-10-2400:00:00

CWE-203

Nozomi

www.cve.org

cve-2021-45925

observable discrepancies

attacker

legitimate user names

bmc

lanner inc

iac-ast2500a

firmware version 1.10.0

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

5.5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

26.4%

JSON

Observable discrepancies in the login process allow an attacker to guess legitimate user names registered in the BMC. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.

CNA Affected

[
  {
    "vendor": "Lanner Inc",
    "product": "IAC-AST2500A",
    "versions": [
      {
        "version": "1.10.0",
        "status": "affected"
      }
    ]
  }
]

References

www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/

www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-45925/

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

5.5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

26.4%

JSON

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