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HIGH

CVE-2021-38703

CVSS v3

8.8

HIGH

EPSS Score

6.4 %

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

Wireless devices running certain Arcadyan-derived firmware (such as KPN Experia WiFi 1.00.15) do not properly sanitise user input to the syslog configuration form. An authenticated remote attacker could leverage this to alter the device configuration and achieve remote code execution. This can be exploited in conjunction with CVE-2021-20090.

Technical details

Published
2021-09-01

Frequently asked questions

What is CVE-2021-38703?

Wireless devices running certain Arcadyan-derived firmware (such as KPN Experia WiFi 1.00.15) do not properly sanitise user input to the syslog configuration form. An authenticated remote attacker could leverage this to alter the device configuration and achieve remote code execution. This can be exploited in conjunction with CVE-2021-20090.

Is CVE-2021-38703 actively exploited?

Active exploitation of CVE-2021-38703 has not been confirmed. The EPSS score is 6.4%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-38703?

CVE-2021-38703 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2021-38703 affecting your environment?

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