RCE in Hms-Networks Ewon Cosy\+ 4g Apac
CVE-2024-33896
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.040 (90.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.040 · newest: 0.040 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.ewon.biz/products/cosy/ewon-cosy-wifi (Product)
- www.hms-networks.com/cyber-security (Vendor Advisory)
- hmsnetworks.blob.core.windows.net/nlw/docs/default-source/products/cybersecurit… (Vendor Advisory)
- blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway/ (Exploit, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2024-33896?
- CVE-2024-33896 is a high-severity vulnerability in Hms-Networks Ewon Cosy\+ 4g Apac, classified under OS Command Injection. CVSS score: 7.2/10. Published 2024-08-02.
- How severe is CVE-2024-33896?
- High severity. CVSS v3 base score is 7.2 out of 10.
- Is CVE-2024-33896 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.