CVE-2018-20145

HIGHNVD 7.57.5—Trending — 3 sources updated this week

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 43.8%
KEV: Not listed

Published

December 13, 2018

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://github.com/eclipse/mosquitto/blob/master/ChangeLog.txt
cve@mitrehttps://github.com/eclipse/mosquitto/commit/9097577b49b7fdcf45d30975976dd93808ccc0c4
cve@mitrehttps://github.com/eclipse/mosquitto/issues/1073
af854a3a-2127-422b-91ae-364da2661108https://github.com/eclipse/mosquitto/blob/master/ChangeLog.txt
af854a3a-2127-422b-91ae-364da2661108https://github.com/eclipse/mosquitto/commit/9097577b49b7fdcf45d30975976dd93808ccc0c4
af854a3a-2127-422b-91ae-364da2661108https://github.com/eclipse/mosquitto/issues/1073

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-732Incorrect Permission Assignment for Critical Resource

Data Freshness Timeline

(refreshed 12× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 00:18 UTCEG score recompute
2026-05-28 00:18 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2018-20145?

CVE-2018-20145 is a high vulnerability published on December 13, 2018. 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.

When was CVE-2018-20145 disclosed?

CVE-2018-20145 was first published in the National Vulnerability Database on December 13, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-20145 actively exploited?

CVE-2018-20145 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 43.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-20145?

CVE-2018-20145 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2018-20145?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-20145, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2018-20145

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-20145?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(5)

Related CVEs(same CWE)