How severe is CVE-2024-36856?

CVE-2024-36856 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 none, integrity none, and availability high.

Is CVE-2024-36856 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-2024-36856?

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-2024-36856 have an EU (EUVD) identifier?

Yes. CVE-2024-36856 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-36230.

When was CVE-2024-36856 published?

CVE-2024-36856 was published on 2024-06-12 and last updated on 2026-06-17.

CVE-2024-36856

CVE-2024-36856 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-404.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-36230
Weakness: CWE-404
Published: 2024-06-12
Last modified: 2026-06-17

Description

RMQTT Broker 0.4.0 is vulnerable to Denial of Service (DoS) due to improper session resource management. An attacker can exhaust system memory and crash the daemon by establishing and maintaining a vast number of long-lived malicious publish/subscribe sessions.

Frequently asked questions

What is CVE-2024-36856?: RMQTT Broker 0.4.0 is vulnerable to Denial of Service (DoS) due to improper session resource management. An attacker can exhaust system memory and crash the daemon by establishing and maintaining a vast number of long-lived malicious publish/subscribe sessions.
How severe is CVE-2024-36856?: CVE-2024-36856 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 none, integrity none, and availability high.
Is CVE-2024-36856 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-2024-36856?: 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-2024-36856 have an EU (EUVD) identifier?: Yes. CVE-2024-36856 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-36230.
When was CVE-2024-36856 published?: CVE-2024-36856 was published on 2024-06-12 and last updated on 2026-06-17.

References

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