CVE-2019-12821 Security feature bypass in n/a
Attackers can hijack robot vacuums by predicting QR codes based on device IDs, gaining full control without authorization.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-12821?
CVE-2019-12821 is a medium-severity vulnerability in n/a, published on 19 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-330
Which versions are affected by CVE-2019-12821?
It affects 1 product.
Products include Jisiwei I3 Firmware.
How do I fix CVE-2019-12821?
No fix has been published for CVE-2019-12821 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-12821 being exploited?
There is no known exploitation of CVE-2019-12821 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-fcfq-5mjg-9mh6.