RCE in Cohesive Vns3
CVE-2024-8809
Cohesive Networks VNS3 Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Cohesive Networks VNS3. Authentication is required to exploit this vulnerability. The specific flaw exists within the web service, which listens on TCP port 8000 by default. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-24178.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.016 (73.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Cohesive Vns3
- Cohesive Networks Vns3 — versions 6.2.3-20240417
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)
- zdi-disclosures@trendmicro.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2024-8809?
- CVE-2024-8809 is a high-severity vulnerability in Cohesive Vns3, classified under OS Command Injection. CVSS score: 8.8/10. Published 2024-11-22.
- How severe is CVE-2024-8809?
- High severity. CVSS v3 base score is 8.8 out of 10.