High severity · published Feb 10, 2020
CVE-2019-13321
This vulnerability allows network adjacent attackers to execute arbitrary code on affected installations of Xiaomi Browser Prior to 10.4.0
8.0
CVSS
1.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MB
MI Browser · MI
before 10.4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-13321
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-13321
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-19-659/
More from MI Browser
8.8
CVE-2019-13322
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Xiaomi Browser Prior to 10.4.0
7.5
CVE-2020-14116
An intent redirection vulnerability in the Mi Browser product
6.5
CVE-2019-10875
A URL spoofing vulnerability was found in all international versions of Xiaomi Mi browser 10.5.6-g (aka the MIUI native browser) and Mint Browser 1.5.3 due to the way they handle…