CVE-2024-33896
HIGHCVSS 7.2/10EPSS 4.02%
Last modified
CVE-2024-33896 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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.. EPSS estimates a 4.02% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Hms-Networks | Ewon Cosy\+ Firmware | >= 21.0, <= 21.2s10 |
| Hms-Networks | Ewon Cosy\+ Firmware | >= 22.0, <= 22.1s3 |
References
- https://blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway/Exploit, Third Party Advisory
- https://www.hms-networks.com/cyber-securityVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2024-33896?
CVE-2024-33896 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 4.02% probability of exploitation in the next 30 days.
How do I fix CVE-2024-33896?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2024-33896?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST