CVE-2021-28667
Last modified
CVE-2021-28667 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. StackStorm before 3.4.1, in some situations, has an infinite loop that consumes all available memory and disk space. This can occur if Python 3.x is used, the locale is not utf-8, and there is an attempt to log Unicode data (from an action or rule name).. EPSS estimates a 2.23% chance of exploitation in the next 30 days.
Description
StackStorm before 3.4.1, in some situations, has an infinite loop that consumes all available memory and disk space. This can occur if Python 3.x is used, the locale is not utf-8, and there is an attempt to log Unicode data (from an action or rule name).
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Stackstorm | Stackstorm | < 3.4.1 |
References
- https://stackstorm.com/2021/03/10/stackstorm-v3-4-1-security-fix/Patch, Vendor Advisory
- https://stackstorm.com/2021/03/10/stackstorm-v3-4-1-security-fix/Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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