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TalosCVE-2021-21964

HistoryFeb 04, 2022 - 11:15 p.m.

CVE-2021-21964

2022-02-0423:15:10

CWE-306

CWE-284

talos

web.nvd.nist.gov

cve-2021-21964

denial of service

sealevel systems

seaconnect 370w

modbus configuration

vulnerability

CVSS2

7.1

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

7.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

39.3%

JSON

A denial of service vulnerability exists in the Modbus configuration functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. Specially-crafted network packets can lead to denial of service. An attacker can send a malicious packet to trigger this vulnerability.

Affected configurations

Nvd

Vulners

Node

sealevelseaconnect_370w_firmwareMatch1.3.34

AND

sealevelseaconnect_370wMatch-

VendorProductVersionCPE
sealevelseaconnect_370w_firmware1.3.34cpe:2.3:o:sealevel:seaconnect_370w_firmware:1.3.34:*:*:*:*:*:*:*
sealevelseaconnect_370w-cpe:2.3:h:sealevel:seaconnect_370w:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
sealevel	seaconnect_370w_firmware	1.3.34	cpe:2.3:o:sealevel:seaconnect_370w_firmware:1.3.34:::::::*
sealevel	seaconnect_370w	-	cpe:2.3:h:sealevel:seaconnect_370w:-:::::::*

CNA Affected

[
  {
    "product": "Sealevel",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Sealevel Systems, Inc. SeaConnect 370W v1.3.34"
      }
    ]
  }
]

References

talosintelligence.com/vulnerability_reports/TALOS-2021-1392

Social References

CVSS2

7.1

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

7.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

39.3%

JSON

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