CVE-2021-22117

HIGHNVD 7.87.8—

7.8

RabbitMQ installers on Windows prior to version 3.8.16 do not harden plugin directory permissions, potentially allowing attackers with sufficient local filesystem permissions to add arbitrary plugins.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 27.7%
KEV: Not listed

Published

May 18, 2021

Last Modified

April 2, 2025

References (2)

security@vmwarehttps://tanzu.vmware.com/security/cve-2021-22117
af854a3a-2127-422b-91ae-364da2661108https://tanzu.vmware.com/security/cve-2021-22117

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 20× 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.

2026-06-04 13:10 UTCepss_batch
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2026-06-01 13:50 UTCepss_batch
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2026-05-31 22:29 UTCepss_batch
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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 16:27 UTCEG score recompute
2026-05-26 16:26 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
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2026-05-26 07:17 UTCepss_batch
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2026-05-24 16:49 UTCepss_batch

Frequently asked(5)

What is CVE-2021-22117?

CVE-2021-22117 is a high vulnerability published on May 18, 2021. RabbitMQ installers on Windows prior to version 3.8.16 do not harden plugin directory permissions, potentially allowing attackers with sufficient local filesystem permissions to add arbitrary plugins.

When was CVE-2021-22117 disclosed?

CVE-2021-22117 was first published in the National Vulnerability Database on May 18, 2021, with the most recent update on April 2, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-22117 actively exploited?

CVE-2021-22117 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 27.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-22117?

CVE-2021-22117 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2021-22117?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-22117, 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

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CVE-2021-22117

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-22117?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)