What is CVE-2019-3984?

CVE-2019-3984 is a critical-severity vulnerability in Amazon Blink Xt2 Sync Module, classified under OS Command Injection. CVSS score: 9.8/10. Published 2019-12-31.

How severe is CVE-2019-3984?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Amazon Blink Xt2 Sync Module

CVE-2019-3984

Blink XT2 Sync Module firmware prior to 2.13.11 allows remote attackers to execute arbitrary commands on the device due to improperly sanitized input when the device retrieves updates scripts from the internet.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.038 (88.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Amazon Blink_xt2_sync_module
Amazon Blink Xt2 Sync Module Firmware — versions prior to 2.13.11
Amazon Blink_xt2_sync_module_firmware

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

vulnreport@tenable.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-3984?: CVE-2019-3984 is a critical-severity vulnerability in Amazon Blink Xt2 Sync Module, classified under OS Command Injection. CVSS score: 9.8/10. Published 2019-12-31.
How severe is CVE-2019-3984?: Critical severity. CVSS v3 base score is 9.8 out of 10.