Improper input validation in Rack_project Rack

CVE-2020-8184

A reliance on cookies without validation/integrity check security vulnerability exists in rack < 2.2.3, rack < 2.1.4 that makes it is possible for an attacker to forge a secure or host-only cookie prefix.

EPSS: 0.029 (85.6th 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:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-8184?
CVE-2020-8184 is a high-severity vulnerability in Rack_project Rack, classified under CWE-784. CVSS score: 7.5/10. Published 2020-06-19.
How severe is CVE-2020-8184?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-8184 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.