by Kastro
Paper/Archive/CVE-2020-8165

CVE-2020-8165

hackerone — 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 u…

EPSS 46%CVSS 9.8
critical.is priorityof 100
49
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 98.8.988 × 2019.8No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
https://github.com/rails/railsFixed in 5.2.4.3, 6.0.3.1–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refhackerone.com/reports/413388refgroups.google.com/g/rubyonrails-security/c/bv6fW4S0Y1creflists.debian.org/debian-lts-announce/2020/06/msg00022.htmlrefweblog.rubyonrails.org/2020/5/18/Rails-5-2-4-3-and-6-0-3-1-have-been-releasedreflists.debian.org/debian-lts-announce/2020/07/msg00013.htmladvisorydebian.org/security/2020/dsa-4766advisorylists.opensuse.org/opensuse-security-announce/2020-10/msg00031.htmladvisorylists.opensuse.org/opensuse-security-announce/2020-10/msg00034.htmlrefsecurity.netapp.com/advisory/ntap-20250509-0002