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CVE-2024-33894

Hms-networks Ewon Cosy+ Firmware privilege escalation

8.8 HIGHPublic exploitEPSS 0.85%
  1. Published2 Aug 2024

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.

CVSS 3.1 breakdown

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

Affected products

Hms-networks Ewon Cosy+ Firmware≥ 21.0s0 < 21.2s10 · ≥ 22.0s0 < 22.1s3

Remediation

Fixed in
Hms-networks Ewon Cosy+ Firmware≥ 21.2s10

References

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Frequently asked

Is CVE-2024-33894 being actively exploited?

CVE-2024-33894 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.85%.

How severe is CVE-2024-33894?

CVE-2024-33894 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.85% probability of exploitation.

Which products are affected by CVE-2024-33894?

Affected products include Hms-networks Ewon Cosy+ Firmware.

How do I fix CVE-2024-33894?

Upgrade affected software to a fixed version, for example Hms-networks Ewon Cosy+ Firmware 21.2s10 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-33894 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.