Vulnerability-Lookup

VAR-202202-1186

Vulnerability from variot - Updated: 2023-12-18 13:42

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. Sealevel Systems SeaConnect 370W is an industrial Internet of Things (Iiot) edge device from Sealevel Systems in the United States. Used to remotely monitor and control the status of the actual I/O process. An attacker can cause an out-of-bounds write and cause a denial of service through a specially crafted network packet. The following products and versions are affected: Sealevel Systems SeaConnect 370W v1.3.34

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CVE-2021-21967 (GCVE-0-2021-21967)

Vulnerability from cvelistv5 – Published: 2022-04-14 19:56 – Updated: 2025-04-15 19:08

Summary

Severity ?

6.5 (Medium)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

talos

References

URL

Tags

https://talosintelligence.com/vulnerability_repor…

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Sealevel Systems, Inc.	SeaConnect 370W	Affected: v1.3.34

Show details on NVD website

JSON

To clipboard

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        "dateUpdated": "2022-04-14T19:56:06.000Z",
        "orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
        "shortName": "talos"
      },
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        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1394"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "talos-cna@cisco.com",
          "DATE_PUBLIC": "2022-02-01",
          "ID": "CVE-2021-21967",
          "STATE": "PUBLIC"
        },
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          "vendor": {
            "vendor_data": [
              {
                "product": {
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                    {
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                        "version_data": [
                          {
                            "version_affected": "=",
                            "version_value": "v1.3.34"
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              "value": "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."
            }
          ]
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            "baseScore": 6.5,
            "baseSeverity": "Medium",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H",
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                {
                  "lang": "eng",
                  "value": "CWE-120: Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
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    "dateReserved": "2021-01-04T00:00:00.000Z",
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

VAR-202202-1186

CVE-2021-21967 (GCVE-0-2021-21967)

Tags

Sightings

Nomenclature