RCE in Dcnglobal S4600-10p-Si
CVE-2021-42324
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.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.006 (45.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Dcnglobal S4600-10p-si
- Dcnglobal S4600-10p-si_firmware
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_MISC, Broken Link)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-42324?
- CVE-2021-42324 is a high-severity vulnerability in Dcnglobal S4600-10p-Si, classified under OS Command Injection. CVSS score: 7.4/10. Published 2022-04-05.
- How severe is CVE-2021-42324?
- High severity. CVSS v3 base score is 7.4 out of 10.