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VulnerabilityPublished Updated

CVE-2024-8807: Cohesive Networks VNS3 · OS Command Injection

Affects Cohesive Networks VNS3Source CVE Database V5

0

Not known to be exploited · CVSS 9.8 Critical.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.0 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
1.6% chance of exploitation in 30 days – higher than 76% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 22 Nov 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Cohesive Networks VNS3Affected
  • =6.2.3-20240417
Fixed in–

AI-suggested

Until an official patch is released, organizations should implement the following mitigations: 1) Restrict network access to the VNS3 web service on TCP port 8000 using firewalls or network ACLs, limiting exposure to trusted management networks only. 2) Employ intrusion detection and prevention systems (IDS/IPS) with signatures or anomaly detection tuned to identify command injection attempts targeting VNS3. 3) Monitor logs and network traffic for unusual or unauthorized commands executed on VNS3 instances. 4) If possible, disable or restrict the web service interface temporarily to reduce attack surface. 5) Use network segmentation to isolate VNS3 appliances from critical infrastructure and sensitive data stores. 6) Prepare for rapid patch deployment by inventorying all VNS3 instances and establishing update procedures. 7) Engage with Cohesive Networks support channels to obtain patches or workarounds as soon as they become available. 8) Consider deploying compensating controls such as application-layer gateways or reverse proxies that can sanitize inputs before reaching the vulnerable service. These targeted mitigations go beyond generic advice by focusing on limiting exposure of the vulnerable service and enhancing detection capabilities.

Description

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 not 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-24176.

References

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