CVE-2024-33894

2024-08-0200:00:00

mitre

github.com

insecure permission

cosy+ devices

firmware vulnerability

elevated privileges

AI Score

7.1

Confidence

Low

EPSS

Percentile

16.3%

SSVC

Exploitation

none

Automatable

Technical Impact

total

JSON

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.

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:h:hms-networks:ewon_cosy:-:*:*:*:*:*:*:*"
    ],
    "vendor": "hms-networks",
    "product": "ewon_cosy",
    "versions": [
      {
        "status": "affected",
        "version": "21.x",
        "lessThan": "21.2s10",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "22.x",
        "lessThan": "22.1s3",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  }
]

References

blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway/

hmsnetworks.blob.core.windows.net/nlw/docs/default-source/products/cybersecurity/security-advisory/hms-security-advisory-2024-07-29-001--ewon-several-cosy--vulnerabilities.pdf

www.ewon.biz/products/cosy/ewon-cosy-wifi

www.hms-networks.com/cyber-security