CVE-2024-21846

MEDIUMNVD 5.35.3—

5.3

An unauthenticated attacker can reset the board and stop transmitter operations by sending a specially-crafted GET request to the command.cgi gateway, resulting in a denial-of-service scenario.

CVSS v3: 5.3
EG Score: 5.3(medium)
EPSS: 26.6%
KEV: Not listed

Published

April 18, 2024

Last Modified

April 15, 2026

References (2)

ics-cert@hqhttps://www.cisa.gov/news-events/ics-advisories/icsa-24-107-02
af854a3a-2127-422b-91ae-364da2661108https://www.cisa.gov/news-events/ics-advisories/icsa-24-107-02

Weakness Classification(1)

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

CWE-306Missing Authentication for Critical Function

Data Freshness Timeline

(refreshed 12× 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 13:11 UTCepss_batch
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2026-06-02 20:12 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
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2026-05-26 13:43 UTCepss_batch
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2026-05-26 07:18 UTCepss_batch

Frequently asked(5)

What is CVE-2024-21846?

CVE-2024-21846 is a medium vulnerability published on April 18, 2024. An unauthenticated attacker can reset the board and stop transmitter operations by sending a specially-crafted GET request to the command.cgi gateway, resulting in a denial-of-service scenario.

When was CVE-2024-21846 disclosed?

CVE-2024-21846 was first published in the National Vulnerability Database on April 18, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-21846 actively exploited?

CVE-2024-21846 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 26.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-21846?

CVE-2024-21846 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2024-21846?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-21846, 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-2024-21846

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-21846?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)