How severe is CVE-2021-23247?

CVE-2021-23247 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-23247 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-23247?

CVE-2021-23247 affects Oppo Quick App. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-23247?

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

When was CVE-2021-23247 published?

CVE-2021-23247 was published on 2022-04-01 and last updated on 2026-06-17.

CVE-2021-23247

CVE-2021-23247 is a critical-severity vulnerability in Oppo Quick App with a CVSS 3.x base score of 9.8. 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-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Oppo Quick App
Published: 2022-04-01
Last modified: 2026-06-17

Description

A command injection vulerability found in quick game engine allows arbitrary remote code in quick app. Allows remote attacke0rs to gain arbitrary code execution in quick game engine

Frequently asked questions

What is CVE-2021-23247?: A command injection vulerability found in quick game engine allows arbitrary remote code in quick app. Allows remote attacke0rs to gain arbitrary code execution in quick game engine
How severe is CVE-2021-23247?: CVE-2021-23247 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-23247 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-23247?: CVE-2021-23247 affects Oppo Quick App. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-23247?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-23247 published?: CVE-2021-23247 was published on 2022-04-01 and last updated on 2026-06-17.

References

https://security.oppo.com/en/noticeDetail?notice_only_key=NOTICE-1501448054614794240

Affected products (1)

cpe:2.3:a:oppo:quick_app:4.5.0:*:*:*:*:*:*:*

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