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[email protected]CVE-2021-34572

HistorySep 16, 2021 - 1:15 p.m.

CVE-2021-34572

2021-09-1613:15:14

CWE-345

[email protected]

web.nvd.nist.gov

cve-2021-34572

enbra ewm 1.7.29

replay attack

wireless m-bus security

timestamp

nvd

3.3 Low

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

6.5 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

25.0%

JSON

Enbra EWM 1.7.29 does not check for or detect replay attacks sent by wireless M-Bus Security mode 5 devices. Instead timestamps of the sensor are replaced by the time of the readout even if the data is a replay of earlier data.

Affected configurations

NVD

Node

enbraewmMatch1.7.29

CPENameOperatorVersion
enbra:ewmenbra ewmeq1.7.29

CPE	Name	Operator	Version
enbra:ewm	enbra ewm	eq	1.7.29

CNA Affected

[
  {
    "product": "EWM 1.7.29",
    "vendor": "Enbra",
    "versions": [
      {
        "status": "affected",
        "version": "03.11.2019"
      }
    ]
  }
]

References

www.fit.vutbr.cz/~polcak/CVE-2021-34572.en

3.3 Low

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

6.5 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

25.0%

JSON

Related for CVE-2021-34572

nvd1 cnvd1 prion1 cvelist1