How severe is CVE-2021-23244?

CVE-2021-23244 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-23244 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-23244?

CVE-2021-23244 affects Oppo Coloros. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-23244?

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-2021-23244 published?

CVE-2021-23244 was published on 2021-12-27 and last updated on 2026-06-17.

CVE-2021-23244

CVE-2021-23244 is a high-severity vulnerability in Oppo Coloros with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oppo Coloros
Published: 2021-12-27
Last modified: 2026-06-17

Description

ColorOS pregrant dangerous permissions to apps which are listed in a whitelist xml named default-grant-permissions.But some apps in whitelist is not installed, attacker can disguise app with the same package name to obtain dangerous permission.

Frequently asked questions

What is CVE-2021-23244?: ColorOS pregrant dangerous permissions to apps which are listed in a whitelist xml named default-grant-permissions.But some apps in whitelist is not installed, attacker can disguise app with the same package name to obtain dangerous permission.
How severe is CVE-2021-23244?: CVE-2021-23244 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-23244 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-23244?: CVE-2021-23244 affects Oppo Coloros. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-23244?: 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-2021-23244 published?: CVE-2021-23244 was published on 2021-12-27 and last updated on 2026-06-17.

References

https://security.oppo.com/en/noticeDetail?notice_only_key=NOTICE-1474214753353342976

Affected products (1)

cpe:2.3:o:oppo:coloros:11:*:*:*:*:android:*:*

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