CVE-2020-8165
A deserialization of untrusted data vulnernerability exists in rails < 5.2.4.3, rails < 6.0.3.1 that can allow an attacker to unmarshal user-provided...
- Published
- Jun 19, 2020
- Updated
- May 9, 2025
- Assigning CNA
- hackerone
- Evidence observed
- Aug 7, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HModerate · next 30 days
- Percentile
- 98.8%
- Model date
- Oct 17, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
A deserialization of untrusted data vulnernerability exists in rails < 5.2.4.3, rails < 6.0.3.1 that can allow an attacker to unmarshal user-provided objects in MemCacheStore and RedisCacheStore potentially resulting in an RCE.
Sources
- CVE-2020-8165Exploit
Python exploit shell for CVE-2020-8165, providing a reverse shell payload for remote code execution on vulnerable Rails applications.
Demonstration of CVE-2020-8165 Rails deserialization RCE exploit with realistic Shouter app, payload generation in Ruby, and Redis cache poisoning.
- CVE-2020-8165Exploit
Python exploit for CVE-2020-8165 targeting Rails MemCacheStore and RedisCacheStore. Enables remote command execution via user-provided object unmarshalling with argparse-based interface.
Proof-of-concept exploit for CVE-2020-8165 (Ruby on Rails) demonstrating remote code execution via ERB template injection and deserialization. For educational use only.
- CVE-2020-8165Exploit
Automated Python exploit script for CVE-2020-8165, eliminating manual Burp and Curl usage during web application vulnerability testing.
- CVE-2020-8165--Auto-ShellExploit
Automated exploit script for CVE-2020-8165 targeting Rails applications, enabling remote code execution via crafted payloads.
Responsible use
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