CVE-2020-8184
Rack allows Percent-encoded cookies to overwrite existing prefixed cookie names
7.5
HIGH
CVSS 3.1
EPSS 0.81%
Description
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.
How to fix CVE-2020-8184
To remediate CVE-2020-8184, upgrade the affected package to a fixed version below.
- Debian/ruby-rack—upgrade to 2.1.1-6 or later
- —upgrade to 2.1.4 or later
Is CVE-2020-8184 being exploited?
Low — EPSS is 0.8%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.1.1-6
- from 0, < 2.1.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |