Vulnerability · Published Jun 19, 2020 · Assigned by hackerone

CVE-2020-8164

High 7.5

In plain English

A high-severity unsafe deserialization in https://github.com/rails/rails. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.9% (higher than 92% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)4.9%top 7.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12rails2:5.2.4.3+dfsg-1DEBIAN-CVE-2020-8164
Debian:13rails2:5.2.4.3+dfsg-1DEBIAN-CVE-2020-8164
Debian:14rails2:5.2.4.3+dfsg-1DEBIAN-CVE-2020-8164
RubyGemsactionpack5.2.4.3GHSA-8727-m6gj-mc37
RubyGemsactionpack6.0.3.1GHSA-8727-m6gj-mc37

Affected products (as reported)

VendorProductVersions
n/a https://github.com/rails/rails 5.2.4.3, 6.0.3.1

Weakness: CWE-502

References