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)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.038 (89.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-3984: held from 0.038 to 0.038.

EPSS over last 30 days · oldest: 0.038 · newest: 0.038 · change: 0.000

Affected products

Weakness classification (CWE)

References

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.