CVE-2018-20145 describes an Access Control List (ACL) bypass vulnerability in Eclipse Mosquitto versions 1.5.x prior to 1.5.5. This flaw allowed an attacker to bypass configured ACLs if the "per_listener_settings" option was enabled, the default listener was active, and an ACL file was specified for that listener. The vulnerability carries a CVSS v3 score of 7.5 (HIGH), indicating a network-exploitable issue with low attack complexity, requiring no user interaction, and potentially leading to high integrity impact (unauthorized data modification or access). While the EPSS score is low, suggesting limited real-world exploitation, the FAUCET Risk Score is 48/100. There is no evidence of active exploitation, and no public exploit code is available in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, aligning with the typical low attention for most vulnerabilities.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.5, < 1.5.5CPE matchmatch criteria | cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.