Medium severity · published Aug 2, 2024
CVE-2024-33893
Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are vulnerable to XSS when displaying the logs due to improper input sanitization
6.1
CVSS
0.7%
EPSS
No
On KEV
Description
Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are vulnerable to XSS when displaying the logs due to improper input sanitization. This is fixed in version 21.2s10 and 22.1s3.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EC
Ewon Cosy+ Firmware · Hms-networks
21.0 through 21.2s10; 22.0 through 22.1s3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-33893
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-33893
Exploit
https://blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway/
Vendor Advisory
https://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
Product
https://www.ewon.biz/products/cosy/ewon-cosy-wifi
VDB Entry
https://www.hms-networks.com/cyber-security
seclists.org
http://seclists.org/fulldisclosure/2024/Aug/19
seclists.org
http://seclists.org/fulldisclosure/2024/Aug/22
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6.6
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