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[email protected]NVD:CVE-2024-33892

HistoryAug 02, 2024 - 6:16 p.m.

CVE-2024-33892

2024-08-0218:16:18

CWE-281

CWE-312

[email protected]

web.nvd.nist.gov

cosy devices

insecure permissions

information leakage

firmware update

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.001

Percentile

26.5%

JSON

Insecure Permissions vulnerability in Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are susceptible to leaking information through cookies. This is fixed in version 21.2s10 and 22.1s3

Affected configurations

Nvd

Node

hms-networksewon_cosy\+_firmwareRange21.0s0–21.2s10

hms-networksewon_cosy\+_firmwareRange22.0s0–22.1s3

AND

hms-networksewon_cosy\+_4g_apacMatch-

hms-networksewon_cosy\+_4g_euMatch-

hms-networksewon_cosy\+_4g_jpMatch-

hms-networksewon_cosy\+_4g_naMatch-

hms-networksewon_cosy\+_ethernetMatch-

hms-networksewon_cosy\+_wifiMatch-

VendorProductVersionCPE
hms-networksewon_cosy\+_firmware*cpe:2.3:o:hms-networks:ewon_cosy\+_firmware:*:*:*:*:*:*:*:*
hms-networksewon_cosy\+_4g_apac-cpe:2.3:h:hms-networks:ewon_cosy\+_4g_apac:-:*:*:*:*:*:*:*
hms-networksewon_cosy\+_4g_eu-cpe:2.3:h:hms-networks:ewon_cosy\+_4g_eu:-:*:*:*:*:*:*:*
hms-networksewon_cosy\+_4g_jp-cpe:2.3:h:hms-networks:ewon_cosy\+_4g_jp:-:*:*:*:*:*:*:*
hms-networksewon_cosy\+_4g_na-cpe:2.3:h:hms-networks:ewon_cosy\+_4g_na:-:*:*:*:*:*:*:*
hms-networksewon_cosy\+_ethernet-cpe:2.3:h:hms-networks:ewon_cosy\+_ethernet:-:*:*:*:*:*:*:*
hms-networksewon_cosy\+_wifi-cpe:2.3:h:hms-networks:ewon_cosy\+_wifi:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
hms-networks	ewon_cosy\+_firmware	*	cpe:2.3:o:hms-networks:ewon_cosy\+_firmware::::::::
hms-networks	ewon_cosy\+_4g_apac	-	cpe:2.3:h:hms-networks:ewon_cosy\+_4g_apac:-:::::::*
hms-networks	ewon_cosy\+_4g_eu	-	cpe:2.3:h:hms-networks:ewon_cosy\+_4g_eu:-:::::::*
hms-networks	ewon_cosy\+_4g_jp	-	cpe:2.3:h:hms-networks:ewon_cosy\+_4g_jp:-:::::::*
hms-networks	ewon_cosy\+_4g_na	-	cpe:2.3:h:hms-networks:ewon_cosy\+_4g_na:-:::::::*
hms-networks	ewon_cosy\+_ethernet	-	cpe:2.3:h:hms-networks:ewon_cosy\+_ethernet:-:::::::*
hms-networks	ewon_cosy\+_wifi	-	cpe:2.3:h:hms-networks:ewon_cosy\+_wifi:-:::::::*

References

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

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

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

www.hms-networks.com/cyber-security