What is CVE-2020-12483?

CVE-2020-12483 is a high-severity vulnerability in Vivo Appstore, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 8.2/10. Published 2021-03-23.

How severe is CVE-2020-12483?

High severity. CVSS v3 base score is 8.2 out of 10.

Open Redirect in Vivo Appstore

CVE-2020-12483

The appstore before 8.12.0.0 exposes some of its components, and the attacker can cause remote download and install apps through carefully constructed parameters.

Vulnerability class: Open Redirect

Published 2021-03-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Vivo Appstore — versions 8.12.0.0

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

www.vivo.com/en/support/security-advisory-detail (Vendor Advisory)

Frequently asked questions

What is CVE-2020-12483?: CVE-2020-12483 is a high-severity vulnerability in Vivo Appstore, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 8.2/10. Published 2021-03-23.
How severe is CVE-2020-12483?: High severity. CVSS v3 base score is 8.2 out of 10.