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cve[email protected]CVE-2020-6986
HistoryMar 05, 2020 - 9:15 p.m.

CVE-2020-6986

2020-03-0521:15:10
CWE-400
web.nvd.nist.gov
67
omron
plc
cj series
vulnerability
service denial
cve-2020-6986

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

41.5%

In all versions of Omron PLC CJ Series, an attacker can send a series of specific data packets within a short period, causing a service error on the PLC Ethernet module, which in turn causes a PLC service denied result.

Affected configurations

NVD
Node
omronplc_cj1_firmware
AND
omronplc_cj1Match-
Node
omronplc_cj2_firmware
AND
omronplc_cj2Match-

CNA Affected

[
  {
    "product": "Omron PLC CJ Series",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "all versions"
      }
    ]
  }
]

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

41.5%

Related for CVE-2020-6986