CVE-2021-42324

Public Exploit

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.

Category

7.4
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.10%
Third-Party Advisory exatel.pl
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.dcneurope.eu/products/switches/s4600-10p-si broken link
https://exatel.pl/cve-2021-42324-metacharacter-injection-w-przelacznikach-dcn-s4600-10p-si/ third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-42324?
CVE-2021-42324 has been scored as a high severity vulnerability.
How to fix CVE-2021-42324?
To fix CVE-2021-42324, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-42324 being actively exploited in the wild?
It is possible that CVE-2021-42324 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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