CVE-2020-21514

HIGHNVD 8.88.8—

8.8

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.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 69.1%
KEV: Not listed

Published

April 4, 2023

Last Modified

June 9, 2025

References (3)

cve@mitrehttps://github.com/fluent/fluentd-ui/issues/295
cve@mitrehttps://github.com/fluent/fluentd/issues/2722
af854a3a-2127-422b-91ae-364da2661108https://github.com/fluent/fluentd/issues/2722

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
rubygems	fluentd-ui	—	ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

RubyGems(1)

Package	Vulnerable range	Fixed in	Dependents
fluentd-ui	0.1.0 ... 1.2.1 (42 versions)	—	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-276Incorrect Default Permissions

Data Freshness Timeline

(refreshed 11× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 03:51 UTCEG score recompute
2026-05-25 03:51 UTCGHSA enrichment
2026-05-24 16:48 UTCepss_batch

Frequently asked(5)

What is CVE-2020-21514?

CVE-2020-21514 is a high vulnerability published on April 4, 2023. 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.

When was CVE-2020-21514 disclosed?

CVE-2020-21514 was first published in the National Vulnerability Database on April 4, 2023, with the most recent update on June 9, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-21514 actively exploited?

CVE-2020-21514 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 69.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-21514?

CVE-2020-21514 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2020-21514?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-21514, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-21514

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CVE-2020-21514

📅 Published

🔄 Last Modified

🔗 References (3)