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CVE-2024-33896

Hms-networks Ewon Cosy+ Firmware command injection

7.2 HIGHPublic exploitEPSS 4.02%
  1. Published2 Aug 2024

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredHigh
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

Hms-networks Ewon Cosy+ Firmware≥ 21.0 ≤ 21.2s10 · ≥ 22.0 ≤ 22.1s3

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2024-33896 being actively exploited?

CVE-2024-33896 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 4.02%.

How severe is CVE-2024-33896?

CVE-2024-33896 has a CVSS 3.1 base score of 7.2, rated high. EPSS estimates a 4.02% probability of exploitation.

Which products are affected by CVE-2024-33896?

Affected products include Hms-networks Ewon Cosy+ Firmware.

How do I fix CVE-2024-33896?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-33896 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.