CVE-2020-8159
Last modified
CVE-2020-8159 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 5.25% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Rubyonrails | Actionpack Page-Caching | < 1.2.1 |
| Debian | Debian Linux | 9.0 |
References
- https://lists.debian.org/debian-lts-announce/2021/07/msg00019.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/07/msg00019.htmlMailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-8159?
How severe is CVE-2020-8159?
How do I fix CVE-2020-8159?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2020
- CVE-2020-8153Improper access control in Groupfolders app 4.0.3 allowed to…8.1
- CVE-2020-8154An Insecure direct object reference vulnerability in Nextclo…7.7
- CVE-2020-8155An outdated 3rd party library in the Files PDF viewer for Ne…5.4
- CVE-2020-8156A missing verification of the TLS host in Nextcloud Mail 1.1…7
- CVE-2020-8157UniFi Cloud Key firmware <= v1.1.10 for Cloud Key gen2 and C…6.8
- CVE-2020-8158Prototype pollution vulnerability in the TypeORM package < 0…9.8
- CVE-2020-8160MendixSSO <= 2.1.1 contains endpoints that make use of the o…6.1
- CVE-2020-8161A directory traversal vulnerability exists in rack < 2.2.0 t…8.6
- CVE-2020-8162A client side enforcement of server side security vulnerabil…7.5
- CVE-2020-8163The is a code injection vulnerability in versions of Rails p…8.8
- CVE-2020-8164A deserialization of untrusted data vulnerability exists in …7.5
- CVE-2020-8165A deserialization of untrusted data vulnernerability exists …9.8
Are you affected by CVE-2020-8159?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST