How severe is CVE-2018-20523?

CVE-2018-20523 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2018-20523 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20523?

CVE-2018-20523 primarily affects Mi Stock Browser. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-20523?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-20523 published?

CVE-2018-20523 was published on 2019-06-07 and last updated on 2026-06-17.

CVE-2018-20523

CVE-2018-20523 is a medium-severity vulnerability in Mi Stock Browser with a CVSS 3.x base score of 5.3. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-77.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Mi Stock Browser
Published: 2019-06-07
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2018-20523?: CVE-2018-20523 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2018-20523 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20523?: CVE-2018-20523 primarily affects Mi Stock Browser. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-20523?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-20523 published?: CVE-2018-20523 was published on 2019-06-07 and last updated on 2026-06-17.

References

Affected products (19)

cpe:2.3:a:mi:stock_browser:10.2.4g:*:*:*:*:*:*:*
cpe:2.3:o:mi:redmi_7_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:redmi_note_7_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:redmi_note_6_pro_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:redmi_6_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:redmi_6a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:redmi_s2_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:redmi_note_5_pro_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:redmi_k20_pro_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:redmi_k20_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:redmi_7a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:redmi_go_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:redmi_note_5_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:redmi_y3_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:redmi_note_7s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:redmi_4a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:redmi_note_4_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:redmi_5_plus_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:redmi_note_5a_prime_firmware:-:*:*:*:*:*:*:*

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