CVE-2019-12821 — MEDIUM (4.8)

Vulnerability Description

A vulnerability was found in the app 2.0 of the Shenzhen Jisiwei i3 robot vacuum cleaner, while adding a device to the account using a QR-code. The QR-code follows an easily predictable pattern that depends only on the specific device ID of the robot vacuum cleaner. By generating a QR-code containing information about the device ID, it is possible to connect an arbitrary device and gain full access to it. The device ID has an initial "JSW" substring followed by a six digit number that depends on the specific device.

CVSS Score

4.8

MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Jisiwei	I3 Firmware	2.0
Jisiwei	I3	-

Related Weaknesses (CWE)

CWE-330

References

FAQ

What is CVE-2019-12821?

CVE-2019-12821 is a vulnerability with a CVSS score of 4.8 (MEDIUM). A vulnerability was found in the app 2.0 of the Shenzhen Jisiwei i3 robot vacuum cleaner, while adding a device to the account using a QR-code. The QR-code follows an easily predictable pattern that d...

How severe is CVE-2019-12821?

CVE-2019-12821 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-12821?

Check the references section above for vendor advisories and patch information. Affected products include: Jisiwei I3 Firmware, Jisiwei I3.