What’s Vulnerable › Vulnerabilities

CVE-2021-42324

• Severity: high (CVSS 7.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-04-05 · updated 2026-06-17
• Weakness: CWE-78

Description

An issue was discovered on DCN (Digital China Networks) S4600-10P-SI devices before R0241.0470. Due to improper parameter validation in the console interface, it is possible for a low-privileged authenticated attacker to escape the sandbox environment and execute system commands as root via shell metacharacters in the capture command parameters. Command output will be shown on the Serial interface of the device. Exploitation requires both credentials and physical access.

Affected products

• Dcnglobal S4600-10P-Si Firmware: from r0241.0370 before r0241.0470 — fixed in r0241.0470

How to fix

Upgrade to a fixed version: Dcnglobal S4600-10P-Si Firmware r0241.0470. Check the vendor advisory for mitigations.

References

• https://exatel.pl/cve-2021-42324-metacharacter-injection-w-przelacznikach-dcn-s4600-10p-si/
• https://www.dcneurope.eu/products/switches/s4600-10p-si
• https://exatel.pl/cve-2021-42324-metacharacter-injection-w-przelacznikach-dcn-s4600-10p-si/
• https://www.dcneurope.eu/products/switches/s4600-10p-si

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