How severe is CVE-2020-12483?

CVE-2020-12483 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2020-12483 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12483?

CVE-2020-12483 affects Vivo Appstore. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-12483?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-12483 published?

CVE-2020-12483 was published on 2021-03-23 and last updated on 2026-06-17.

CVE-2020-12483

CVE-2020-12483 is a high-severity vulnerability in Vivo Appstore with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-601.

Key facts

Severity: High (CVSS 3.x base score 8.2)
CVSS v2: 5.8
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-601
Affected product: Vivo Appstore
Published: 2021-03-23
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2020-12483?: CVE-2020-12483 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2020-12483 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12483?: CVE-2020-12483 affects Vivo Appstore. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-12483?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-12483 published?: CVE-2020-12483 was published on 2021-03-23 and last updated on 2026-06-17.

References

https://www.vivo.com/en/support/security-advisory-detail?id=1

Affected products (1)

cpe:2.3:a:vivo:appstore:*:*:*:*:*:*:*:*

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