How severe is CVE-2024-21872?

CVE-2024-21872 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-21872 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-21872?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-21872 have an EU (EUVD) identifier?

Yes. CVE-2024-21872 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19483.

When was CVE-2024-21872 published?

CVE-2024-21872 was published on 2024-04-18 and last updated on 2026-06-17.

CVE-2024-21872

CVE-2024-21872 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. 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-565.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-19483
Weakness: CWE-565
Published: 2024-04-18
Last modified: 2026-06-17

Description

The device allows an unauthenticated attacker to bypass authentication and modify the cookie to reveal hidden pages that allows more critical operations to the transmitter.

Frequently asked questions

What is CVE-2024-21872?: The device allows an unauthenticated attacker to bypass authentication and modify the cookie to reveal hidden pages that allows more critical operations to the transmitter.
How severe is CVE-2024-21872?: CVE-2024-21872 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-21872 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-21872?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-21872 have an EU (EUVD) identifier?: Yes. CVE-2024-21872 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19483.
When was CVE-2024-21872 published?: CVE-2024-21872 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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