CVE-2024-33895

Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 use a unique...

6.6 Medium

Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 use a unique key to encrypt the configuration parameters. This is fixed in version 21.2s10 and 22.1s3, the key is now unique per device.

Attack profile

How easy it is to exploit

Attack vector: Physical
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.52%Up 0.5 points since Aug 6, 2024

What each source reports

NVD Score used 6.6

Record: CVE-2024-33895
CVSS 3.1: 6.6 MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-798
Updated: 2026-11-02

CVE List 6.6

Record: CVE-2024-33895
CVSS 3.1: 6.6 MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-798
Updated: 2026-11-02

EUVDEUVD-2024-31599 6.6

Record: EUVD-2024-31599
CVSS 3.1: 6.6 MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-2m5g-p4h5-r9jp 6.6

Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 use a unique...

Record: GHSA-2m5g-p4h5-r9jp
CVSS 3.1: 6.6 MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-798
Updated: 2026-11-02

Affected products

hms-networks ewon cosy\+ firmware

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-33895 is a medium vulnerability (CVSS 6.6) in Hms-networks Ewon Cosy\+ Firmware, published August 2, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.52%, the 44th percentile. No source names a fixed version.