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CVE-2013-2512

25
FAUCET Score

CVE-2013-2512 describes a critical vulnerability in the ftpd gem 0.2.1 for Ruby, allowing remote attackers to execute arbitrary operating system commands. This is achieved by injecting shell metacharacters into LIST or NLST command arguments within FTP protocol traffic. With a CVSS score of 9.8, the vulnerability has a network attack vector, low attack complexity, and high impacts on confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, nor is public exploit code available in Metasploit, Nuclei, or ExploitDB, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
0.2.1CPE matchmatch criteria
cpe:2.3:a:ftpd_project:ftpd:0.2.1:*:*:*:*:ruby:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.54%
Probability of exploitation in next 30 days
EPSS Percentile
88.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0354 is in the 80th percentile among its peer group of 36,862 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

rubygemspatch availablevia ghsa
Product: ftpdFixed in: 0.2.2

Vendor Advisories (1)

rubygemsGHSA-7vxr-6cxg-j3x8critical

OS Command Injection in ftpd

Oct 12, 2021

References

vapidlabs.com / advisory.php
ExploitThird Party Advisory