Command Injection vulnerability in SystemK NVR 504/508/516

published 2024-01-25 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-59408

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits: 0; none known

SystemK NVR 504/508/516 versions 2.3.5SK.30084998 and prior are vulnerable to a command injection vulnerability in the dynamic domain name system (DDNS) settings that could allow an attacker to execute arbitrary commands with root privileges.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-24-025-02 updated 2024-01-25 cvss 9.8

SystemK NVR 504/508/516

SystemK NVR 504 2.3.5SK.30084998 SystemK NVR 508 2.3.5SK.30084998 SystemK NVR 516 2.3.5SK.30084998
affected: mitigation systemk.co.jp

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 18 mo ago (2025-05-08)

Exploit prediction

1.28% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

SystemK NVR 504
SystemK NVR 508
SystemK NVR 516

Classification

Weakness

CWE-77 Improper Neutralization of Special Elements used in a Command

References

cisa.gov /news-events/ics-advisories/icsa-24-025-02
government-resource, third-party-advisory, us-government-resource

Sources

CVE List CVE-2023-7227
NVD CVE-2023-7227

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Summary