How severe is CVE-2024-8809?

CVE-2024-8809 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-8809 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-8809?

CVE-2024-8809 affects Cohesive Vns3. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-8809?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-8809 have an EU (EUVD) identifier?

Yes. CVE-2024-8809 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49609.

When was CVE-2024-8809 published?

CVE-2024-8809 was published on 2024-11-22 and last updated on 2026-06-17.

CVE-2024-8809

CVE-2024-8809 is a high-severity vulnerability in Cohesive Vns3 with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-49609
Weakness: CWE-78
Affected product: Cohesive Vns3
Published: 2024-11-22
Last modified: 2026-06-17

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 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.

Frequently asked questions

What is 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.
How severe is CVE-2024-8809?: CVE-2024-8809 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-8809 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-8809?: CVE-2024-8809 affects Cohesive Vns3. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-8809?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-8809 have an EU (EUVD) identifier?: Yes. CVE-2024-8809 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49609.
When was CVE-2024-8809 published?: CVE-2024-8809 was published on 2024-11-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cohesive:vns3:*:*:*:*:*:*:*:*

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