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[email protected]CVE-2021-34574

HistorySep 07, 2022 - 12:00 a.m.

CVE-2021-34574

2022-09-0700:00:00

CWE-669

[email protected]

web.nvd.nist.gov

cve

2021

34574

password policy

authentication

security vulnerability

mb connect line

mymbconnect24

mbconnect24

helmholz myrex24

myrex24.virtual

nvd

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

4.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

19.5%

JSON

In MB connect line mymbCONNECT24, mbCONNECT24 and Helmholz myREX24 and myREX24.virtual in all versions through v2.11.2 an authenticated attacker can change the password of his account into a new password that violates the password policy by intercepting and modifying the request that is send to the server.

Affected configurations

NVD

Node

mbconnectlinembconnect24Range≤2.11.2

mbconnectlinemymbconnect24Range≤2.11.2

Node

helmholzmyrex24Range≤2.11.2

helmholzmyrex24.virtualRange≤2.11.2

CPENameOperatorVersion
mbconnectline:mbconnect24mbconnectline mbconnect24le2.11.2
mbconnectline:mymbconnect24mbconnectline mymbconnect24le2.11.2

CPE	Name	Operator	Version
mbconnectline:mbconnect24	mbconnectline mbconnect24	le	2.11.2
mbconnectline:mymbconnect24	mbconnectline mymbconnect24	le	2.11.2

CNA Affected

[
  {
    "product": "mymbCONNECT24",
    "vendor": "MB connect line",
    "versions": [
      {
        "lessThanOrEqual": "2.11.2",
        "status": "affected",
        "version": "2",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "mbCONNECT24",
    "vendor": "MB connect line",
    "versions": [
      {
        "lessThanOrEqual": "2.11.2",
        "status": "affected",
        "version": "2",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "myREX24",
    "vendor": "Helmholz",
    "versions": [
      {
        "lessThanOrEqual": "2.11.2",
        "status": "affected",
        "version": "2",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "myREX24.virtual",
    "vendor": "Helmholz",
    "versions": [
      {
        "lessThanOrEqual": "2.11.2",
        "status": "affected",
        "version": "2",
        "versionType": "custom"
      }
    ]
  }
]

References

cert.vde.com/en/advisories/VDE-2021-030

cert.vde.com/en/advisories/VDE-2022-039

Social References

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

4.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

19.5%

JSON

Related for CVE-2021-34574

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