AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2017-0903

CRITICAL · CVSS 9.8 EPSS 15.85% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2017-10-11 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 15.9% probability of exploitation in the next 30 days. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
remote code execution code execution
GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2017-0903
Severity
CRITICAL
CVSS
9.8
EPSS
15.85%

Original NVD Description

RubyGems versions between 2.0.0 and 2.6.13 are vulnerable to a possible remote code execution vulnerability. YAML deserialization of gem specifications can bypass class white lists. Specially crafted serialized objects can possibly be used to escalate to remote code execution.

Related CVEs

Other vulnerabilities affecting the same vendor(s)