RCE in Mi Redmi 4a
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.100 (95.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 95th percentile — 95.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.100 · newest: 0.100 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- sec.xiaomi.com (Broken Link, Vendor Advisory)
- vishwarajbhattrai.wordpress.com/2019/03/22/content-provider-injection-in-xiaomi… (Exploit, Third Party Advisory)
- packetstormsecurity.com/files/163796/Xiaomi-10.2.4.g-Information-Disclosure.html (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-20523?
- CVE-2018-20523 is a medium-severity vulnerability in Mi Redmi 4a, classified under Command Injection. CVSS score: 5.3/10. Published 2019-06-07.
- How severe is CVE-2018-20523?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2018-20523 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.