CVE-2021-28667 is a denial-of-service vulnerability affecting StackStorm versions prior to 3.4.1, specifically when running on Python 3.x with a non-UTF-8 locale. This flaw can lead to an infinite loop, consuming all available memory and disk space if Unicode data is logged. With a CVSS score of 7.5 (High), this vulnerability is easily exploitable over the network with low attack complexity, resulting in high availability impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.4.1CPE matchmatch criteria | cpe:2.3:a:stackstorm:stackstorm:*:*:*:*:*:*:*:* |
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.