CVE catalog
CVE-2020-8159
ruby-actionpack-page-caching: CVE-2020-8159
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 5.38% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | ruby-actionpack-page-caching | bookworm | 1.2.4-1 | fixed |
| Ubuntu | ruby-actionpack-page-caching | 16.04 | 1.0.2-3 | vulnerable |
| Ubuntu | ruby-actionpack-page-caching | 16.04 | 1.0.2-4 | vulnerable |
| Ubuntu | ruby-actionpack-page-caching | 18.04 | 1.0.2-4 | vulnerable |
| Ubuntu | ruby-actionpack-page-caching | 20.04 | 1.1.0-1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | ruby-actionpack-page-caching | source | bookworm | 1.2.2-1 | not yet assigned | Not reported | [960680] |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [ruby-actionpack-page-caching]Fixed
Details (2)
1.2.4-1· all · bookwormFixed · Fixed:
1.2.2-1dsa · ruby-actionpack-page-caching · debian · bookworm; dsa · ruby-actionpack-page-caching · debian · 12
1.2.4-1· all · bookwormFixed · Fixed:
1.2.2-1dsa · ruby-actionpack-page-caching · debian · bookworm; dsa · ruby-actionpack-page-caching · debian · 12
Observed: