CVE-2020-8163
HIGHCVSS 8.8/10EPSS 83.08%
Last modified
CVE-2020-8163 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The is a code injection vulnerability in versions of Rails prior to 5.0.1 that wouldallow an attacker who controlled the `locals` argument of a `render` call to perform a RCE.. EPSS estimates a 83.08% chance of exploitation in the next 30 days.
Description
The is a code injection vulnerability in versions of Rails prior to 5.0.1 that wouldallow an attacker who controlled the `locals` argument of a `render` call to perform a RCE.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Rubyonrails | Rails | < 5.0.1 |
| Debian | Debian Linux | 9.0 |
References
- http://packetstormsecurity.com/files/158604/Ruby-On-Rails-5.0.1-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://groups.google.com/g/rubyonrails-security/c/hWuKcHyoKh0Mailing List, Patch, Third Party Advisory
- https://hackerone.com/reports/304805Permissions Required, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00013.htmlMailing List, Third Party Advisory
- http://packetstormsecurity.com/files/158604/Ruby-On-Rails-5.0.1-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://groups.google.com/g/rubyonrails-security/c/hWuKcHyoKh0Mailing List, Patch, Third Party Advisory
- https://hackerone.com/reports/304805Permissions Required, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00013.htmlMailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-8163?
The is a code injection vulnerability in versions of Rails prior to 5.0.1 that wouldallow an attacker who controlled the `locals` argument of a `render` call to perform a RCE.
How severe is CVE-2020-8163?
CVE-2020-8163 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 83.08% probability of exploitation in the next 30 days.
How do I fix CVE-2020-8163?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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-2020-8157UniFi 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-2020-8159There is a vulnerability in actionpack_page-caching gem < v1…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-2020-8164A deserialization of untrusted data vulnerability exists in …7.5
- CVE-2020-8165A deserialization of untrusted data vulnernerability exists …9.8
- CVE-2020-8166A CSRF forgery vulnerability exists in rails < 5.2.5, rails …4.3
- CVE-2020-8167A CSRF vulnerability exists in rails <= 6.0.3 rails-ujs modu…6.5
- CVE-2020-8168We have recently released new version of AirMax AirOS firmwa…8.8
- CVE-2020-8169curl 7.62.0 through 7.70.0 is vulnerable to an information d…7.5
Are you affected by CVE-2020-8163?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST