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CVE-2020-21514 — Vulnerability in fluentd-ui — CVE Details

HIGH

Fluent Fluentd and Fluent-ui use default password

Published April 4, 2023Updated June 23, 2025Source: osv

Summary

An issue was discovered in Fluent-ui v.1.2.2 allows attackers to gain escalated privileges and execute arbitrary code due to a default password.

Advisory Timeline

  • First published April 4, 2023 (1287 days ago).
  • Last revised June 23, 2025 — 811 days after initial publication.

Affected Packages (1)

Affects 1 ecosystem: rubygems (1).

PackageEcosystemAffectedFixed In
fluentd-ui
rubygems
0.1.0, 0.1.1, 0.1.2, 0.1.3 (+38 more)Range-based data available

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-276
    Incorrect Default PermissionsMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 8.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

References

Frequently Asked Questions

What is CVE-2020-21514?
Fluent Fluentd and Fluent-ui use default password This vulnerability has been assigned a severity rating of HIGH (CVSS score: 8.8/10).
How do I check if my project is affected by CVE-2020-21514?
CVE-2020-21514 affects fluentd-ui. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2020-21514 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
8.8

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-wrxf-x8rm-6ggg
BIT-fluentd-2020-21514

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  • CVE-2026-77601
    HIGH

    OpenC3 COSMOS: Authenticated OS command injection via the `pypi_url` setting

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