What is CVE-2019-13321?

CVE-2019-13321 is a high-severity vulnerability in Mi Browser, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 8.0/10. Published 2020-02-10.

How severe is CVE-2019-13321?

High severity. CVSS v3 base score is 8.0 out of 10.

Vulnerability in Mi Browser

CVE-2019-13321

This vulnerability allows network adjacent attackers to execute arbitrary code on affected installations of Xiaomi Browser Prior to 10.4.0. User interaction is required to exploit this vulnerability in that the target must connect to a malicious access point. The specific flaw exists within the handling of HTTP responses to the Captive Portal. A crafted HTML response can cause the Captive Portal to to open a browser to a specified location without user interaction. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process. Was ZDI-CAN-7467.

EPSS: 0.012 (67.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Mi Mi_browser
Xiaomi Browser — versions Prior to 10.4.0

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-13321?: CVE-2019-13321 is a high-severity vulnerability in Mi Browser, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 8.0/10. Published 2020-02-10.
How severe is CVE-2019-13321?: High severity. CVSS v3 base score is 8.0 out of 10.