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Ewon Cosy Firmware CVE-2024-33894

HIGH
Improper Privilege Management (CWE-269)
2024-08-02 cve@mitre.org
Privilege Escalation Ewon Cosy Firmware
8.8
CVSS 3.1 · Vendor: mitre
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Severity by source

Vendor (mitre) PRIMARY
8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from Vendor (mitre) · only source for this CVE.

CVSS VectorVendor: mitre

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Aug 02, 2024 - 18:16 cve.org
HIGH 8.8

DescriptionCVE.org

Insecure Permission vulnerability in Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are executing several processes with elevated privileges.

AnalysisAI

Insecure Permission vulnerability in Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are executing several processes with elevated privileges. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Improper Privilege Management (CWE-269), which allows attackers to escalate privileges to gain unauthorized elevated access. Insecure Permission vulnerability in Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are executing several processes with elevated privileges. Affected products include: Hms-Networks Ewon Cosy\+ Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply principle of least privilege, validate privilege transitions, implement proper role separation.

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A compromised HMS Networks Cosy+ device could be used to request a Certificate Signing Request from Talk2m for another d
CVE-2024-33892 HIGH POC
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Insecure Permissions vulnerability in Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s
CVE-2024-33896 HIGH POC
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Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are vulnerable to code injection due
CVE-2024-33895 MEDIUM POC
6.6 Aug 02

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 conf
CVE-2024-33893 MEDIUM POC
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Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are vulnerable to XSS when displayin
CVE-2020-10633 MEDIUM
6.1 Apr 08

A non-persistent XSS (cross-site scripting) vulnerability exists in eWON Flexy and Cosy (all firmware versions prior to

CVE-2020-16230 LOW
2.3 Sep 18

All version of Ewon Flexy and Cosy prior to 14.1 use wildcards such as (*) under which domains can request resources. Ra

Same weakness CWE-269 – Improper Privilege Management

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CVE-2012-3993 CRITICAL POC
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CVE-2014-1510 CRITICAL POC
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CVE-2014-1511 CRITICAL POC
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CVE-2016-0151 HIGH POC
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CVE-2013-0643 HIGH
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Same technique Privilege Escalation

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CVE-2025-47812 CRITICAL POC
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CVE-2013-0422 CRITICAL POC
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CVE-2013-0632 CRITICAL POC
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CVE-2017-12635 CRITICAL POC
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CVE-2016-10372 CRITICAL POC
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CVE-2014-9583 CRITICAL POC
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CVE-2012-0297 CRITICAL POC
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CVE-2024-33894 vulnerability details – vuln.today
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