Improper input validation in Samsung Internet
Priority LOW 28CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Insecure caller check and input validation vulnerabilities in SearchKeyword deeplink logic prior to Samsung Internet 16.0.2 allows unstrusted applications to execute script codes in Samsung Internet.
Why it matters now
EPSS 0.00425 37th percentileScored 2026-11-07
Fix Fixed Samsung Internet (Samsung Mobile): 16.0.2
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Samsung Internet (Samsung Mobile) Fixed in 16.0.2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Samsung Internet 16.0.2
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2021-07760 Improper authorization in Samsung InternetPriority LOW 18
Timeline
- 2026-10-02 Threatist record created from CVE-2021-25520
- 2026-10-03 Alias added: GHSA-7cw2-xhmh-jqc7
References
More Samsung Internet vulnerabilities
- TI-2025-23485 Samsung Internet for Galaxy Watch version 5.0.9, available up until Samsung Galaxy Watch… CVSS 3.1MEDIUM 5.9
- TI-2024-13632 Improper validation vulnerability in Samsung Internet prior to version 24.0.3.2 allows… CVSS 3.1HIGH 7.8
- TI-2021-07657 Improper privilege management in Samsung Internet CVSS 3.1HIGH 7.8
- TI-2021-07639 Intent redirection vulnerability in Samsung Internet prior to version 14.0.1.20 allows… CVSS 3.1HIGH 7.8
- TI-2025-14991 Improper handling of insufficient permission in ClientProvider in Samsung Internet… CVSS 3.1HIGH 7.1
- TI-2025-14990 Improper handling of insufficient permission in SyncClientProvider in Samsung Internet… CVSS 3.1HIGH 7.1
Sources
- CVE-2021-25520 · CVE Program
- CVE-2021-25520 · NVD
- FIRST EPSS
- GHSA-7cw2-xhmh-jqc7 · GitHub Advisory Database · CC BY 4.0
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