CVE-2021-34432 is a denial-of-service vulnerability affecting Eclipse Mosquitto versions 2.07 and earlier, where a server crash can be triggered by a client sending a PUBLISH packet with a zero-length topic. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating it can be exploited remotely with low complexity, resulting in high availability impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.0.7CPE matchmatch criteria | cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
Remediation records are not available for this CVE.