Paper/Archive/CVE-2024-8807

CVE-2024-8807

Cohesive Networks VNS3 — Cohesive Networks VNS3 Command Injection Remote Code Execution Vulnerability

CVSS 9.8 (CNA, NVD agree)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 77.1.771 × 2015.4 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

VNS36.2.3-20240417–CNA

vns36.2.3-20240417 – < 6.2.86.2.8CISA-ADP

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

zdi (CNA)9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refzerodayinitiative.com/advisories/ZDI-24-1231 advisorycohesive.net/support/security-responses