CVE-2021-41819
Cookie Prefix Spoofing in CGI::Cookie.parse
7.5
HIGH
CVSS 3.1
EPSS 2.9%
Description
CGI::Cookie.parse in Ruby through 2.6.8 mishandles security prefixes in cookie names. This also affects the CGI gem through 0.3.0 for Ruby.
How to fix CVE-2021-41819
To remediate CVE-2021-41819, upgrade the affected package to a fixed version below.
- Alpine/ruby—upgrade to 2.7.5-r0 or later
Is CVE-2021-41819 being exploited?
Low — EPSS is 2.9%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 2.7.0, < 2.7.5-r0
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 |