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TalosCVE-2021-21967

HistoryApr 14, 2022 - 8:15 p.m.

CVE-2021-21967

2022-04-1420:15:08

CWE-120

talos

web.nvd.nist.gov

cve-2021-21967

sealevel systems

seaconnect 370w

ota update

denial of service

mqtt

man-in-the-middle

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

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

32.9%

JSON

An out-of-bounds write vulnerability exists in the OTA update task functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. A specially-crafted MQTT payload can lead to denial of service. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.

Affected configurations

Nvd

Vulners

Node

sealevelseaconnect_370wMatch-

AND

sealevelseaconnect_370w_firmwareMatch1.3.34

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

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

CNA Affected

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

References

talosintelligence.com/vulnerability_reports/TALOS-2021-1394

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

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

32.9%

JSON

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