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CVE-2015-7541

25
FAUCET Score

CVE-2015-7541 is a critical vulnerability affecting the colorscore gem for Ruby, specifically within the Histogram class's initialize method. It allows unauthenticated attackers to execute arbitrary code remotely by injecting shell metacharacters into the image_path, colors, or depth variables. With a CVSS score of 10.0, this vulnerability poses a severe risk of complete compromise (confidentiality, integrity, and availability). Despite its critical severity, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.0.4CPE matchmatch criteria
cpe:2.3:a:colorscore_project:colorscore:*:*:*:*:*:ruby:*:*

CVSS Data

CVSS version used by this source: 3.0

10.0CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
6.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.53%
Probability of exploitation in next 30 days
EPSS Percentile
88.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0353 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 (2)

github_advisorypatch availablevia nvd_reference
View patch
rubygemspatch availablevia ghsa
Product: colorscoreFixed in: 0.0.5

Vendor Advisories (1)

rubygemsGHSA-73qw-ww62-m54xcritical

colorscore Command Injection vulnerability

Oct 24, 2017

References

rubysec.com / advisories/CVE-2015-7541
github.com / quadule/colorscore/commit/570b5e854cecddd44d2047c44126aed951b61718
Patch
openwall.com / lists/oss-security/2016/01/05/2