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CVE-2018-3779
CRITICAL
active-support ruby gem 5.2.0 could allow a remote attacker to execute arbitrary code on the system, caused by containing a malicious backdoor. An attacker could exploit this vulnerability to execute arbitrary code on the system.
Published: Aug 10, 2018
Modified: Jun 17, 2026
CWE-77
NVD-CWE-noinfo
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (1)
| Vendor | Product | Version |
|---|---|---|
| activesupport_project | activesupport | 5.2.0 |
GitHub Security Advisory GHSA-2j55-pcw5-x4h2
active-support impersonates 'activesupport' gem
rubygems
active-support
> 0
References (2)
- https://hackerone.com/reports/392311 Exploit, Issue Tracking, Third Party Advisory
- https://hackerone.com/reports/392311 Exploit, Issue Tracking, Third Party Advisory
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
6.13%
Top 7% most likely to be exploited
Threat Score
41 / 100
Data Sources
NVD
EPSS
GitHub