CVE-2020-8159
ruby-actionpack-page-caching - security update
9.8
CRITICAL
CVSS 3.1
EPSS 5.3%
Description
There is a vulnerability in actionpack_page-caching gem < v1.2.1 that allows an attacker to write arbitrary files to a web server, potentially resulting in remote code execution if the attacker can write unescaped ERB to a view.
How to fix CVE-2020-8159
To remediate CVE-2020-8159, upgrade the affected package to a fixed version below.
- Debian/ruby-actionpack-page-caching—upgrade to 1.2.2-1 or later
- —upgrade to 1.0.2-4+deb9u1 or later
- —upgrade to 1.2.1 or later
Is CVE-2020-8159 being exploited?
Moderate — EPSS is 5.3%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (3)
- from 0, < 1.2.2-1
- from 0, < 1.0.2-4+deb9u1
- from 0, < 1.2.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |