VulnerabilityModified
CVE-2020-8159
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.
CRITICAL 9.8EPSS 5.25%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 5.25% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- rubyonrails/actionpack page-caching · debian/debian linux
- Source
- support@hackerone.com
References
- https://groups.google.com/forum/#%21topic/rubyonrails-security/CFRVkEytdP8
- https://lists.debian.org/debian-lts-announce/2021/07/msg00019.htmlMailing List, Third Party Advisory
- https://groups.google.com/forum/#%21topic/rubyonrails-security/CFRVkEytdP8
- https://lists.debian.org/debian-lts-announce/2021/07/msg00019.htmlMailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.