7.2
HIGH CVSS 3.1
CVE-2024-33896
Cosy+ Devices Code Injection Vulnerability
Description

Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are vulnerable to code injection due to improper parameter blacklisting. This is fixed in version 21.2s10 and 22.1s3.

INFO

Published Date :

Aug. 2, 2024, 6:16 p.m.

Last Modified :

March 25, 2025, 5:15 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2024-33896 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Hms-networks ewon_cosy\+_firmware
2 Hms-networks ewon_cosy\+_4g_apac
3 Hms-networks ewon_cosy\+_4g_eu
4 Hms-networks ewon_cosy\+_4g_jp
5 Hms-networks ewon_cosy\+_4g_na
6 Hms-networks ewon_cosy\+_ethernet
7 Hms-networks ewon_cosy\+_wifi
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
Public PoC/Exploit Available at Github

CVE-2024-33896 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-33896 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Proof of concept CVE-2024-33896

Python

Updated: 11 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : Aug. 20, 2024, 1:49 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-33896 vulnerability anywhere in the article.

  • seclists.org
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') (CWE-78) CVE-2024-33896

Full Disclosure mailing list archives From: Moritz Abrell via Fulldisclosure <fulldisclosure () seclists org> Date: Sun, 11 Aug 2024 19:47:30 +0200 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Advi ... Read more

Published Date: Aug 18, 2024 (11 months, 4 weeks ago)
  • Cyber Security News
Researchers Hacked Industrial Remote Access Gateway Tool to Gain Root Access

Security researchers have uncovered severe vulnerabilities in the Ewon Cosy+, a widely used industrial remote access gateway tool, allowing them to gain root access and compromise the device’s securit ... Read more

Published Date: Aug 12, 2024 (1 year ago)

The following table lists the changes that have been made to the CVE-2024-33896 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Mar. 25, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-78
  • Initial Analysis by [email protected]

    Sep. 03, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway/ No Types Assigned https://blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway/ Exploit, Third Party Advisory
    Changed Reference Type 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 No Types Assigned 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 Vendor Advisory
    Changed Reference Type https://www.ewon.biz/products/cosy/ewon-cosy-wifi No Types Assigned https://www.ewon.biz/products/cosy/ewon-cosy-wifi Product
    Changed Reference Type https://www.hms-networks.com/cyber-security No Types Assigned https://www.hms-networks.com/cyber-security Vendor Advisory
    Added CWE NIST CWE-78
    Added CPE Configuration AND OR *cpe:2.3:o:hms-networks:ewon_cosy\+_firmware:*:*:*:*:*:*:*:* versions from (including) 21.0 up to (including) 21.2s10 *cpe:2.3:o:hms-networks:ewon_cosy\+_firmware:*:*:*:*:*:*:*:* versions from (including) 22.0 up to (including) 22.1s3 OR cpe:2.3:h:hms-networks:ewon_cosy\+_4g_apac:-:*:*:*:*:*:*:* cpe:2.3:h:hms-networks:ewon_cosy\+_4g_eu:-:*:*:*:*:*:*:* cpe:2.3:h:hms-networks:ewon_cosy\+_4g_jp:-:*:*:*:*:*:*:* cpe:2.3:h:hms-networks:ewon_cosy\+_4g_na:-:*:*:*:*:*:*:* cpe:2.3:h:hms-networks:ewon_cosy\+_ethernet:-:*:*:*:*:*:*:* cpe:2.3:h:hms-networks:ewon_cosy\+_wifi:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Aug. 12, 2024

    Action Type Old Value New Value
    Added Reference MITRE https://blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway/ [No types assigned]
  • CVE Received by [email protected]

    Aug. 02, 2024

    Action Type Old Value New Value
    Added Description Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are vulnerable to code injection due to improper parameter blacklisting. This is fixed in version 21.2s10 and 22.1s3.
    Added Reference MITRE https://www.ewon.biz/products/cosy/ewon-cosy-wifi [No types assigned]
    Added Reference MITRE https://www.hms-networks.com/cyber-security [No types assigned]
    Added Reference MITRE 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 [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.2
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact