How severe is CVE-2023-21514?

CVE-2023-21514 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-21514 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-21514?

CVE-2023-21514 affects Samsung Galaxy Store. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-21514?

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-2023-21514 published?

CVE-2023-21514 was published on 2023-05-26 and last updated on 2026-06-17.

CVE-2023-21514

CVE-2023-21514 is a high-severity vulnerability in Samsung Galaxy Store with a CVSS 3.x base score of 7.5. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Samsung Galaxy Store
Published: 2023-05-26
Last modified: 2026-06-17

Description

Improper scheme validation from InstantPlay Deeplink in Galaxy Store prior to version 4.5.49.8 allows attackers to execute javascript API to install APK from Galaxy Store.

Frequently asked questions

What is CVE-2023-21514?: Improper scheme validation from InstantPlay Deeplink in Galaxy Store prior to version 4.5.49.8 allows attackers to execute javascript API to install APK from Galaxy Store.
How severe is CVE-2023-21514?: CVE-2023-21514 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-21514 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-21514?: CVE-2023-21514 affects Samsung Galaxy Store. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-21514?: 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-2023-21514 published?: CVE-2023-21514 was published on 2023-05-26 and last updated on 2026-06-17.

References

https://security.samsungmobile.com/serviceWeb.smsb?year=2023&month=01

Affected products (1)

cpe:2.3:a:samsung:galaxy_store:*:*:*:*:*:*:*:*

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