Improper input validation in Mi Browser

CVE-2019-13322

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Xiaomi Browser Prior to 10.4.0. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of the miui.share application. The issue results from the lack of proper validation of user-supplied data, which can result in an arbitrary application download. An attacker can leverage this vulnerability to execute code in the context of the user. Was ZDI-CAN-7483.

EPSS: 0.026 (84.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-13322?
CVE-2019-13322 is a high-severity vulnerability in Mi Browser, classified under CWE-356. CVSS score: 8.8/10. Published 2020-02-10.
How severe is CVE-2019-13322?
High severity. CVSS v3 base score is 8.8 out of 10.