Strix
26.1K

CVE-2021-28667

HIGHCVSS 7.5/10EPSS 2.23%

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
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
2.23%

80.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
StackstormStackstorm< 3.4.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-28667?
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).
How severe is CVE-2021-28667?
CVE-2021-28667 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.23% probability of exploitation in the next 30 days.
How do I fix CVE-2021-28667?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-28667?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST