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EclipseCVE-2021-28166

HistoryApr 07, 2021 - 7:15 p.m.

CVE-2021-28166

2021-04-0719:15:12

CWE-476

eclipse

web.nvd.nist.gov

cve-2021-28166

eclipse mosquitto

mqtt v5

security vulnerability

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.2

Confidence

High

EPSS

0.001

Percentile

21.0%

JSON

In Eclipse Mosquitto version 2.0.0 to 2.0.9, if an authenticated client that had connected with MQTT v5 sent a crafted CONNACK message to the broker, a NULL pointer dereference would occur.

Affected configurations

Nvd

Node

eclipsemosquittoRange2.0.0–2.0.9

VendorProductVersionCPE
eclipsemosquitto*cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
eclipse	mosquitto	*	cpe:2.3:a:eclipse:mosquitto::::::::

CNA Affected

[
  {
    "product": "Eclipse Mosquitto",
    "vendor": "The Eclipse Foundation",
    "versions": [
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "2.0",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "2.0.9",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

bugs.eclipse.org/bugs/show_bug.cgi?id=572608

Social References

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.2

Confidence

High

EPSS

0.001

Percentile

21.0%

JSON

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