How severe is CVE-2024-33896?

CVE-2024-33896 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-33896 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-33896?

CVE-2024-33896 affects Hms-networks Ewon Cosy+ Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-33896?

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-2024-33896 have an EU (EUVD) identifier?

Yes. CVE-2024-33896 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31600.

When was CVE-2024-33896 published?

CVE-2024-33896 was published on 2024-08-02 and last updated on 2026-06-17.

CVE-2024-33896

CVE-2024-33896 is a high-severity vulnerability in Hms-networks Ewon Cosy+ Firmware with a CVSS 3.x base score of 7.2. 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-78.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-31600
Weakness: CWE-78
Affected product: Hms-networks Ewon Cosy+ Firmware
Published: 2024-08-02
Last modified: 2026-06-17

Description

Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are vulnerable to code injection due to improper parameter blacklisting. This is fixed in version 21.2s10 and 22.1s3.

Frequently asked questions

What is CVE-2024-33896?: Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are vulnerable to code injection due to improper parameter blacklisting. This is fixed in version 21.2s10 and 22.1s3.
How severe is CVE-2024-33896?: CVE-2024-33896 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-33896 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-33896?: CVE-2024-33896 affects Hms-networks Ewon Cosy+ Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-33896?: 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-2024-33896 have an EU (EUVD) identifier?: Yes. CVE-2024-33896 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31600.
When was CVE-2024-33896 published?: CVE-2024-33896 was published on 2024-08-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:hms-networks:ewon_cosy\+_firmware:*:*:*:*:*:*:*:*

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