What is CVE-2021-22902?

CVE-2021-22902 is a high-severity vulnerability in Rubyonrails Rails, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2021-06-11.

How severe is CVE-2021-22902?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-22902 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Rubyonrails Rails

CVE-2021-22902

The actionpack ruby gem (a framework for handling and responding to web requests in Rails) before 6.0.3.7, 6.1.3.2 suffers from a possible denial of service vulnerability in the Mime type parser of Action Dispatch. Carefully crafted Accept…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.028 (84.8th 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

Rubyonrails Rails
N/a Https://github.com/rails/rails — versions Fixed in 6.0.3.7, 6.1.3.2

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

Public proof-of-concept exploits

References

support@hackerone.com (Permissions Required, Third Party Advisory, x_refsource_MISC)
support@hackerone.com (Exploit, Patch, x_refsource_MISC, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2021-22902?: CVE-2021-22902 is a high-severity vulnerability in Rubyonrails Rails, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2021-06-11.
How severe is CVE-2021-22902?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-22902 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.