PT-2024-25534 · Hms Networks · Hms Networks Cosy+

Moritz Abrell · Published 2024-08-06 · Updated 2024-10-10 · CVE-2024-33897

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions HMS Networks Cosy+ (affected versions not specified)

Description The issue concerns improper authentication, allowing a compromised device to request a Certificate Signing Request for another device, potentially leading to an availability issue. This could enable local network attacks due to improper certificate validation. The problem was patched on the Talk2m production server on April 18, 2024.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Weakness Enumeration

CWE-425

Related Identifiers

CVE-2024-33897

Affected Products

Hms Networks Cosy+

References · 13

• 🔥 https://blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway · Exploit
• https://osv.dev/vulnerability/CVE-2024-33897 · 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 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-33897 · Security Note
• https://twitter.com/oktsec/status/1823921107532931532 · Twitter Post
• https://hms-networks.com/cyber-security · Note
• http://seclists.org/fulldisclosure/2024/Aug/24 · Note
• https://twitter.com/buaqbot/status/1826857640216956975 · Twitter Post
• https://t.me/cvedetector/2595 · Telegram Post
• http://seclists.org/fulldisclosure/2024/Aug/27 · Note
• https://twitter.com/buaqbot/status/1825068830596403266 · Twitter Post
• https://ewon.biz/products/cosy/ewon-cosy-wifi · Note
• https://t.me/true_secator/6086 · Telegram Post