Vulnerability in Eclipse Mosquitto
CVE-2023-28366
The broker in Eclipse Mosquitto 1.3.2 through 2.x before 2.0.16 has a memory leak that can be abused remotely when a client sends many QoS 2 messages with duplicate message IDs, and fails to respond to PUBREC commands. This occurs because…
EPSS: 0.011 (62.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Eclipse Mosquitto
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Release Notes)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Release Notes)
- cve@mitre.org (Patch)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
Frequently asked questions
- What is CVE-2023-28366?
- CVE-2023-28366 is a high-severity vulnerability in Eclipse Mosquitto, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2023-09-01.
- How severe is CVE-2023-28366?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-28366 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.