CVE-2018-20145

Eclipse Mosquitto 1.5.x before 1.5.5 allows ACL bypass: if the option perlistenersettings was set to true, and the default listener was in use, and the default listener specified an acl_file, then the acl file was being ignored.

Database specific

{
    "unresolved_ranges": [
        {
            "source": "CPE_RANGE",
            "cpes": [
                "cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "eclipse:mosquitto",
            "extracted_events": [
                {
                    "introduced": "1.5"
                },
                {
                    "fixed": "1.5.5"
                }
            ]
        }
    ]
}

References

Affected packages

Git / github.com/eclipse-mosquitto/mosquitto

Affected ranges

Type

GIT

Repo

https://github.com/eclipse-mosquitto/mosquitto

Events

Introduced

5e60136449d678948520085985d7e7f91f9e601c

Fixed

66dfa573946425661626e2f574ef125ab01b01f5

Fixed

9097577b49b7fdcf45d30975976dd93808ccc0c4

Database specific

{
    "source": [
        "DESCRIPTION",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "1.5.x"
        },
        {
            "fixed": "1.5.5"
        }
    ]
}

Affected versions

v1.*

v1.5

v1.5.1

v1.5.2

v1.5.3

v1.5.4

Database specific

vanir_signatures

[
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "237389952011881478287382112648987743294",
                "272451151438414953003976969110111933824",
                "51697838977234724229644107283187418883",
                "282321170269120821608752377155100442388"
            ]
        },
        "signature_version": "v1",
        "source": "https://github.com/eclipse-mosquitto/mosquitto/commit/9097577b49b7fdcf45d30975976dd93808ccc0c4",
        "signature_type": "Line",
        "target": {
            "file": "src/conf.c"
        },
        "id": "CVE-2018-20145-5abb4622",
        "deprecated": false
    },
    {
        "digest": {
            "length": 6844.0,
            "function_hash": "327595239859168560702558468712667619739"
        },
        "signature_version": "v1",
        "source": "https://github.com/eclipse-mosquitto/mosquitto/commit/9097577b49b7fdcf45d30975976dd93808ccc0c4",
        "signature_type": "Function",
        "target": {
            "function": "config__parse_args",
            "file": "src/conf.c"
        },
        "id": "CVE-2018-20145-700270e5",
        "deprecated": false
    }
]

vanir_signatures_modified

"2026-07-08T16:40:18Z"

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20145.json"