CVE-2020-8159
9.8
CRITICAL · CVSS 3.1 · EPSS 5.4% (pctl 92)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 5.38% — more likely to be exploited than 92% of all CVEs |
| Weakness | CWE-22 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2020-05-12 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| debian | debian linux |
| rubyonrails | actionpack page-caching |
References
→ the Explorer · watch your stack · NVD