CVE-2021-3584

HIGHNVD 7.27.2—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.2 under NVD CVSS v3. EPSS exploit probability: 3.9%, top 11% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Trending — 3 sources updated this week
7.2
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 4%CVSS: 7.2Exploit: NoneExposed: 0

A fix is available — apply it.

A server side remote code execution vulnerability was found in Foreman project. A authenticated attacker could use Sendmail configuration options to overwrite the defaults and perform command injection. The highest threat from this vulnerability is to confidentiality, integrity and availability of system. Fixed releases are 2.4.1, 2.5.1, 3.0.0.

CVSS v3
7.2
EG Score
7.2(medium)
EG Risk
—
EPSS
89.1%
KEV
Not listed

Published

December 23, 2021

Last Modified

November 21, 2024

References (6)

Vendor Advisories for CVE-2021-3584(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatforeman-0:3.1.1.21-2.el8sat2022-07-05redhat

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.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 46× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 103 total refreshes for this CVE.

  1. 2026-07-22 22:49 UTCEG score recompute
  2. 2026-07-22 14:06 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2021-3584?
CVE-2021-3584 is a high vulnerability published on December 23, 2021. A server side remote code execution vulnerability was found in Foreman project. A authenticated attacker could use Sendmail configuration options to overwrite the defaults and perform command injection. The highest threat from this vulnerability is to confidentiality, integrity and availability of…
When was CVE-2021-3584 disclosed?
CVE-2021-3584 was first published in the National Vulnerability Database on December 23, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-3584 actively exploited?
CVE-2021-3584 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 89.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-3584?
CVE-2021-3584 has a CVSS v3 base score of 7.2 (NVD).
How do I remediate CVE-2021-3584?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-3584, 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.

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