CVE-2019-12820
CVE-2019-12820 is a medium-severity vulnerability in Jisiwei I3 Firmware with a CVSS 3.x base score of 5.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-319.
Key facts
- Severity: Medium (CVSS 3.x base score 5.6)
- CVSS v2: 4.3
- EPSS exploit prediction: 0% (38th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-319
- Affected product: Jisiwei I3 Firmware
- Published:
- Last modified:
Description
A vulnerability was found in the app 2.0 of the Shenzhen Jisiwei i3 robot vacuum cleaner. Actions performed on the app such as changing a password, and personal information it communicates with the server, use unencrypted HTTP. As an example, while logging in through the app to a Jisiwei account, the login request is being sent in cleartext. The vulnerability exists in both the Android and iOS version of the app. An attacker could exploit this by using an MiTM attack on the local network to obtain someone's login credentials, which gives them full access to the robot vacuum cleaner.
Frequently asked questions
- What is CVE-2019-12820?
- A vulnerability was found in the app 2.0 of the Shenzhen Jisiwei i3 robot vacuum cleaner. Actions performed on the app such as changing a password, and personal information it communicates with the server, use unencrypted HTTP. As an example, while logging in through the app to a Jisiwei account, the login request is being sent in cleartext. The vulnerability exists in both the Android and iOS version of the app. An attacker could exploit this by using an MiTM attack on the local network to obtain someone's login credentials, which gives them full access to the robot vacuum cleaner.
- How severe is CVE-2019-12820?
- CVE-2019-12820 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2019-12820 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-12820?
- CVE-2019-12820 affects Jisiwei I3 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-12820?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2019-12820 published?
- CVE-2019-12820 was published on 2019-07-19 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:jisiwei:i3_firmware:2.0:*:*:*:*:*:*:*
More vulnerabilities in Jisiwei I3 Firmware
- CVE-2019-12821 — Medium (CVSS 4.8): A vulnerability was found in the app 2.0 of the Shenzhen Jisiwei i3 robot vacuum cleaner, while adding a device to the…
All CVEs affecting Jisiwei I3 Firmware →
Other CWE-319 (Cleartext Transmission of Sensitive Information) vulnerabilities
- CVE-2025-4378 — Critical (CVSS 10.0): Cleartext Transmission of Sensitive Information, Use of Hard-coded Credentials vulnerability in Ataturk University…
- CVE-2025-47419 — Critical (CVSS 10.0): Cleartext Transmission of Sensitive Information vulnerability in Crestron Automate VX allows Sniffing Network…
- CVE-2026-48902 — Critical (CVSS 9.8): The password and username reset features created plain http links for https connections if the "Force SSL" flag wasn't…
- CVE-2025-34271 — Critical (CVSS 9.8): Nagios Log Server versions prior to 2024R2.0.2 contain a vulnerability in the cluster manager component when…
- CVE-2025-32880 — Critical (CVSS 9.8): An issue was discovered on COROS PACE 3 devices through 3.0808.0. It implements a function to connect the watch to a…
- CVE-2025-26199 — Critical (CVSS 9.8): CloudClassroom-PHP-Project v1.0 is affected by an insecure credential transmission vulnerability. The application…
Browse all CWE-319 (Cleartext Transmission of Sensitive Information) vulnerabilities →