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cveCERTVDECVE-2021-34580
HistoryOct 27, 2021 - 11:15 a.m.

CVE-2021-34580

2021-10-2711:15:07
CWE-204
CWE-203
CERTVDE
web.nvd.nist.gov
25
cve-2021-34580
mymbconnect24
user enumeration
security vulnerability
nvd

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.002

Percentile

54.0%

In mymbCONNECT24, mbCONNECT24 <= 2.9.0 an unauthenticated user can enumerate valid backend users by checking what kind of response the server sends for crafted invalid login attempts.

Affected configurations

Nvd
Node
mbconnectlinembconnect24Range2.9.0
OR
mbconnectlinemymbconnect24Range2.9.0
VendorProductVersionCPE
mbconnectlinembconnect24*cpe:2.3:a:mbconnectline:mbconnect24:*:*:*:*:*:*:*:*
mbconnectlinemymbconnect24*cpe:2.3:a:mbconnectline:mymbconnect24:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "mymbCONNECT24",
    "vendor": "MB connect line",
    "versions": [
      {
        "lessThanOrEqual": "2.9.0",
        "status": "affected",
        "version": "2.9.0",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "mbCONNECT24",
    "vendor": "MB connect line",
    "versions": [
      {
        "lessThanOrEqual": "2.9.0",
        "status": "affected",
        "version": "2.9.0",
        "versionType": "custom"
      }
    ]
  }
]

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.002

Percentile

54.0%

Related for CVE-2021-34580