How severe is CVE-2024-33894?

CVE-2024-33894 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-33894 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-33894?

CVE-2024-33894 affects Hms-networks Ewon Cosy+ Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-33894?

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-2024-33894 have an EU (EUVD) identifier?

Yes. CVE-2024-33894 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31598.

When was CVE-2024-33894 published?

CVE-2024-33894 was published on 2024-08-02 and last updated on 2026-06-17.

CVE-2024-33894

CVE-2024-33894 is a high-severity vulnerability in Hms-networks Ewon Cosy+ Firmware with a CVSS 3.x base score of 8.8. 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-269.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-31598
Weakness: CWE-269
Affected product: Hms-networks Ewon Cosy+ Firmware
Published: 2024-08-02
Last modified: 2026-06-17

Description

Insecure Permission vulnerability in Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are executing several processes with elevated privileges.

Frequently asked questions

What is CVE-2024-33894?: Insecure Permission vulnerability in Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are executing several processes with elevated privileges.
How severe is CVE-2024-33894?: CVE-2024-33894 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-33894 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-33894?: CVE-2024-33894 affects Hms-networks Ewon Cosy+ Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-33894?: 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-2024-33894 have an EU (EUVD) identifier?: Yes. CVE-2024-33894 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31598.
When was CVE-2024-33894 published?: CVE-2024-33894 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:*:*:*:*:*:*:*:*

More vulnerabilities in Hms-networks Ewon Cosy+ Firmware

CVE-2024-33897 — Critical (CVSS 9.1): A compromised HMS Networks Cosy+ device could be used to request a Certificate Signing Request from Talk2m for another…
CVE-2024-33892 — High (CVSS 7.5): Insecure Permissions vulnerability in Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below…
CVE-2024-33896 — High (CVSS 7.2): Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are vulnerable to code injection…
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CVE-2024-33893 — Medium (CVSS 6.1): Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are vulnerable to XSS when…

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