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CERTVDECVE-2023-0985

HistoryJun 06, 2023 - 11:15 a.m.

CVE-2023-0985

2023-06-0611:15:09

CWE-639

CERTVDE

web.nvd.nist.gov

cve-2023-0985

authorization bypass

mb connect lines

mymbconnect24

helmholz

myrex24

vulnerability

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.6

Confidence

High

EPSS

0.001

Percentile

50.9%

JSON

An Authorization Bypass vulnerability was found in MB Connect Lines mbCONNECT24, mymbCONNECT24 and Helmholz’ myREX24 and myREX24.virtual version <= 2.13.3. An authenticated remote user with low privileges can change the password of any user in the same account. This allows to take over the admin user and therefore fully compromise the account.

Affected configurations

Nvd

Node

mbconnectlinembconnect24Range≤2.13.3

mbconnectlinemymbconnect24Range≤2.13.3

VendorProductVersionCPE
mbconnectlinembconnect24*cpe:2.3:a:mbconnectline:mbconnect24:*:*:*:*:*:*:*:*
mbconnectlinemymbconnect24*cpe:2.3:a:mbconnectline:mymbconnect24:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
mbconnectline	mbconnect24	*	cpe:2.3:a:mbconnectline:mbconnect24::::::::
mbconnectline	mymbconnect24	*	cpe:2.3:a:mbconnectline:mymbconnect24::::::::

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "mbCONNECT24",
    "vendor": "MB Connect Line",
    "versions": [
      {
        "lessThanOrEqual": "2.13.3",
        "status": "affected",
        "version": "1.0.0",
        "versionType": "semver"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "mymbCONNECT24",
    "vendor": "MB Connect Line",
    "versions": [
      {
        "lessThanOrEqual": "2.13.3",
        "status": "affected",
        "version": "1.0.0",
        "versionType": "semver"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "myREX24",
    "vendor": "Helmholz",
    "versions": [
      {
        "lessThanOrEqual": "2.13.3",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "myREX24.virtual",
    "vendor": "Helmholz",
    "versions": [
      {
        "lessThanOrEqual": "2.13.3",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]

References

cert.vde.com/en/advisories/VDE-2023-002/

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.6

Confidence

High

EPSS

0.001

Percentile

50.9%

JSON

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