Vulnerability Monitor

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CVE-2018-20523

Xiaomi Stock Browser 10.2.4.g on Xiaomi Redmi Note 5 Pro devices and other Redmi Android phones allows content provider injection. In other words, a third-party application can read the user's cleartext browser history via an app.provider.query content://com.android.browser.searchhistory/searchhistory request.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.3, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts limited data confidentiality, for affected systems. Impacting 37 products from mi, from mi, from mi and 34 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2019, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2019-06-07T16:29:00.440

Last Modified

2024-11-21T04:01:39.083

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-77
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application mi stock_browser 10.2.4g Yes
Operating System mi redmi_7_firmware - Yes
Hardware mi redmi_7 - No
Operating System mi redmi_note_7_firmware - Yes
Hardware mi redmi_note_7 - No
Operating System mi redmi_note_6_pro_firmware - Yes
Hardware mi redmi_note_6_pro - No
Operating System mi redmi_6_firmware - Yes
Hardware mi redmi_6 - No
Operating System mi redmi_6a_firmware - Yes
Hardware mi redmi_6a - No
Operating System mi redmi_s2_firmware - Yes
Hardware mi redmi_s2 - No
Operating System mi redmi_note_5_pro_firmware - Yes
Hardware mi redmi_note_5_pro - No
Operating System mi redmi_k20_pro_firmware - Yes
Hardware mi redmi_k20_pro - No
Operating System mi redmi_k20_firmware - Yes
Hardware mi redmi_k20 - No
Operating System mi redmi_7a_firmware - Yes
Hardware mi redmi_7a - No
Operating System mi redmi_go_firmware - Yes
Hardware mi redmi_go - No
Operating System mi redmi_note_5_firmware - Yes
Hardware mi redmi_note_5 - No
Operating System mi redmi_y3_firmware - Yes
Hardware mi redmi_y3 - No
Operating System mi redmi_note_7s_firmware - Yes
Hardware mi redmi_note_7s - No
Operating System mi redmi_s2_firmware - Yes
Hardware mi redmi_s2 - No
Operating System mi redmi_4a_firmware - Yes
Hardware mi redmi_4a - No
Operating System mi redmi_note_4_firmware - Yes
Hardware mi redmi_note_4 - No
Operating System mi redmi_5_plus_firmware - Yes
Hardware mi redmi_5_plus - No
Operating System mi redmi_note_5a_prime_firmware - Yes
Hardware mi redmi_note_5a_prime - No
References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For mi's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.