Is CVE-2023-21515 in the CISA KEV catalog?

No. CVE-2023-21515 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-21515?

CVE-2023-21515 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2023-21515?

CVE-2023-21515 has an EPSS score of 0.52% (40th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-21515?

Upgrade galaxy store to 4.5.49.8 or later.

CVE & CISA-KEV Catalog

CVE-2023-21515

HIGH

7.5

CVSS v3

NVD

Description

InstantPlay which included vulnerable script which could execute javascript in Galaxy Store prior to version 4.5.49.8 allows attackers to execute javascript API to install APK from Galaxy Store.

CWE-20Improper Input Validation

How to fix

Remediation Available

galaxy storeNVD

Affected:< 4.5.49.8Fixed in:4.5.49.8CVE-2023-21515derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

0.52%probability of exploitation in 30 days

40thpercentile

Moderate risk: more likely to be exploited than 40% of all known CVEs.

References

Vendor Advisory1

security.samsungmobile.com

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.