CVE-2023-7227
CVE-2023-7227 is a critical-severity vulnerability in Systemk-corp Nvr 504 Firmware with a CVSS 3.x base score of 9.8. 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-77.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (66th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-59408
- Weakness: CWE-77
- Affected product: Systemk-corp Nvr 504 Firmware
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2023-7227?
- 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.
- How severe is CVE-2023-7227?
- CVE-2023-7227 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-7227 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-7227?
- CVE-2023-7227 primarily affects Systemk-corp Nvr 504 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-7227?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2023-7227 have an EU (EUVD) identifier?
- Yes. CVE-2023-7227 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59408.
- When was CVE-2023-7227 published?
- CVE-2023-7227 was published on 2024-01-25 and last updated on 2026-06-17.
References
Affected products (3)
- cpe:2.3:o:systemk-corp:nvr_504_firmware:2.3.5sk.30084998:*:*:*:*:*:*:*
- cpe:2.3:o:systemk-corp:nvr_508_firmware:2.3.5sk.30084998:*:*:*:*:*:*:*
- cpe:2.3:o:systemk-corp:nvr_516_firmware:2.3.5sk.30084998:*:*:*:*:*:*:*
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