CVE-2024-33896 json
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 parame…
published 2024-08-02 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-31600
- cvss
- 7.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.0%
- EPSS 4.0% chance of exploitation in 30 days, percentile 90%
- public exploits
- 1
- Exploit-DB
Summary
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.
Timeline
- Published
- First public exploit (EDB-52160)
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
4.02% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-52160 Cosy+ firmware 21.2s7 - Command Injection hardware, 2025-04-10
- blog.syss.com https://blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
blog.syss.com
/posts/hacking-a-secure-industrial-remote-access-gateway/
exploit, third-party-advisory
-
hms-networks.com
/cyber-security
vendor-advisory
-
hmsnetworks.blob.core.windows.net
/nlw/docs/default-source/products/cybersecurity/security-advisory/hms-security-advisory-2024-07-29-001--ewon-s
vendor-advisory
-
ewon.biz
/products/cosy/ewon-cosy-wifi
product
- seclists.org /fulldisclosure/2024/Aug/21
Sources
- CVE List CVE-2024-33896
- NVD CVE-2024-33896
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