CVE-2021-31810

MEDIUM Year: 2021
CVSS v3 Score
5.8
Medium
CVSS v2 Score
5.0
Medium
Weakness Type
NVD-CWE-Other
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Vulnerability Description

An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. A malicious FTP server can use the PASV response to trick Net::FTP into connecting back to a given IP address and port. This potentially makes curl extract information about services that are otherwise private and not disclosed (e.g., the attacker can conduct port scans and service banner extractions).

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