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cvelistTalosCVELIST:CVE-2021-21968
HistoryFeb 04, 2022 - 10:29 p.m.

CVE-2021-21968

2022-02-0422:29:10
CWE-20
talos
www.cve.org
1
file write
sealevel systems
seaconnect 370w
mqtt payload
arbitrary file overwrite
man-in-the-middle attack

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

52.1%

A file 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 arbitrary file overwrite. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.

CNA Affected

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

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

52.1%

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