MEDIUM
CVE-2024-33895
CWE-798Published: August 2, 2024· Updated: Jun 17, 2026
6.6
CVSS v3.1
Official Description
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.
Technical Analysis
CVE-2024-33895 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.6.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorPhysical
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Vendors & Products
hms-networks7 product(s)
ewon cosy\+ firmwareewon cosy\+ 4g apacewon cosy\+ 4g euewon cosy\+ 4g jpewon cosy\+ 4g naewon cosy\+ ethernetewon cosy\+ wifi
Source: NVD CPE · 7 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (5)
→
https://blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway/Exploit · Third Party Advisory
→
https://www.hms-networks.com/cyber-securityVendor Advisory
Quick Facts
CVE IDCVE-2024-33895
CVSS Score6.6 / 10
SeverityMEDIUM
WeaknessCWE-798
CISA KEVNo
Affected1 vendor(s)
PublishedAug 2, 2024
Related CVEs (CWE-798)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2024-33895 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.