CVE-2018-20145

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Source
https://cve.org/CVERecord?id=CVE-2018-20145
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-20145.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2018-20145
Downstream
Related
Published
2018-12-13T20:29:00Z
Modified
2026-08-19T15:21:37Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
Summary
[none]
Details

Eclipse Mosquitto 1.5.x before 1.5.5 allows ACL bypass: if the option per_listener_settings 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.

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
Show details 
{
    "cpe":  "cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "1.5"
        },
        {
            "fixed":  "1.5.5"
        }
    ],
    "source":  [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Affected versions

v1.*
v1.5
v1.5.1
v1.5.2
v1.5.3
v1.5.4

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-20145.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "237389952011881478287382112648987743294",
                "272451151438414953003976969110111933824",
                "51697838977234724229644107283187418883",
                "282321170269120821608752377155100442388"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2018-20145-5abb4622",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/eclipse-mosquitto/mosquitto/commit/9097577b49b7fdcf45d30975976dd93808ccc0c4",
        "target":  {
            "file":  "src/conf.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "327595239859168560702558468712667619739",
            "length":  6844
        },
        "id":  "CVE-2018-20145-700270e5",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/eclipse-mosquitto/mosquitto/commit/9097577b49b7fdcf45d30975976dd93808ccc0c4",
        "target":  {
            "file":  "src/conf.c",
            "function":  "config__parse_args"
        }
    }
]
vanir_signatures_modified 
"2026-08-19T15:21:37Z"