TI-2024-22365 Aliases CVE-2024-33893 GHSA-9q4j-4jmg-xr2j

Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are…

LOW 28CWE-79Published 2024-08-02 · Updated 2025-11-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00715 53rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 7

CPE	Versions	Role	Vendor
cpe:2.3:o:hms-networks:ewon_cosy\+_firmware::::::::	21.0 – 21.2s10; 22.0 – 22.1s3	Vulnerable	HMS Networks
cpe:2.3:h:hms-networks:ewon_cosy\+_4g_apac:-:::::::*	not specified by NVD	Running on	HMS Networks
cpe:2.3:h:hms-networks:ewon_cosy\+_4g_eu:-:::::::*	not specified by NVD	Running on	HMS Networks
cpe:2.3:h:hms-networks:ewon_cosy\+_4g_jp:-:::::::*	not specified by NVD	Running on	HMS Networks
cpe:2.3:h:hms-networks:ewon_cosy\+_4g_na:-:::::::*	not specified by NVD	Running on	HMS Networks
cpe:2.3:h:hms-networks:ewon_cosy\+_ethernet:-:::::::*	not specified by NVD	Running on	HMS Networks
cpe:2.3:h:hms-networks:ewon_cosy\+_wifi:-:::::::*	not specified by NVD	Running on	HMS Networks

cpe:2.3:o:hms-networks:ewon_cosy\+_firmware:*:*:*:*:*:*:*:* Versions 21.0 – 21.2s10; 22.0 – 22.1s3 Vulnerable ·HMS Networks
cpe:2.3:h:hms-networks:ewon_cosy\+_4g_apac:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·HMS Networks
cpe:2.3:h:hms-networks:ewon_cosy\+_4g_eu:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·HMS Networks
cpe:2.3:h:hms-networks:ewon_cosy\+_4g_jp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·HMS Networks
cpe:2.3:h:hms-networks:ewon_cosy\+_4g_na:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·HMS Networks
cpe:2.3:h:hms-networks:ewon_cosy\+_ethernet:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·HMS Networks
cpe:2.3:h:hms-networks:ewon_cosy\+_wifi:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·HMS Networks

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2024-33893
2026-10-03 Alias added: GHSA-9q4j-4jmg-xr2j

References

Exploit 1

https://blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway/

Advisory 2

Other 1

https://www.ewon.biz/products/cosy/ewon-cosy-wifi

TI-2024-22369 A compromised HMS Networks Cosy+ device could be used to request a Certificate Signing… CVSS 3.1CRITICAL 9.1
TI-2024-22366 Insecure Permission vulnerability in Cosy+ devices running a firmware 21.x below 21.2s10… CVSS 3.1HIGH 8.8
TI-2024-22364 Insecure Permissions vulnerability in Cosy+ devices running a firmware 21.x below 21.2s10… CVSS 3.1HIGH 7.5
TI-2024-22368 Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are… CVSS 3.1HIGH 7.2
TI-2024-22367 Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 use a… CVSS 3.1MEDIUM 6.6

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences