CVE-2020-8164

HIGH

Rails <5.2.4.3-6.0.3.1 - Info Disclosure

Title source: llm

Description

A deserialization of untrusted data vulnerability exists in rails < 5.2.4.3, rails < 6.0.3.1 which can allow an attacker to supply information can be inadvertently leaked fromStrong Parameters.

References (8)

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00089.html

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00093.html

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00107.html

[Patch, Third Party Advisory] https://groups.google.com/g/rubyonrails-security/c/f6ioe4sdpbY

[Exploit, Patch, Third Party Advisory] https://hackerone.com/reports/292797

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2020/06/msg00022.html

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2020/07/msg00013.html

[Third Party Advisory] https://www.debian.org/security/2020/dsa-4766

Scores

CVSS v3 7.5

EPSS 0.0739

EPSS Percentile 91.6%

Attack Vector NETWORK

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

Classification

CWE

CWE-502

Status published

Affected Products (8)

rubyonrails/rails < 5.2.4.3

debian/debian_linux

opensuse/backports_sle

opensuse/leap

rubygems/actionpack < 5.2.4.3RubyGems

Timeline

Published Jun 19, 2020

Tracked Since Feb 18, 2026