How severe is CVE-2024-21846?

CVE-2024-21846 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2024-21846 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-21846?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-21846 have an EU (EUVD) identifier?

Yes. CVE-2024-21846 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19458.

When was CVE-2024-21846 published?

CVE-2024-21846 was published on 2024-04-18 and last updated on 2026-06-17.

CVE-2024-21846

CVE-2024-21846 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v4: 6.9
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-19458
Weakness: CWE-306
Published: 2024-04-18
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2024-21846?: 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.
How severe is CVE-2024-21846?: CVE-2024-21846 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2024-21846 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-21846?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-21846 have an EU (EUVD) identifier?: Yes. CVE-2024-21846 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19458.
When was CVE-2024-21846 published?: CVE-2024-21846 was published on 2024-04-18 and last updated on 2026-06-17.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-24-107-02

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