What’s Vulnerable › Vulnerabilities

CVE-2018-21078

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-04-08 · updated 2026-06-17
• Weakness: CWE-20

Description

An issue was discovered on Samsung mobile devices with M(6.0), N(7.x), and O(8.0) software. The Contacts application allows attackers to originate video calls because SS (Supplementary Service) and USSD (Unstructured Supplementary Service Data) codes are improperly secured. The Samsung ID is SVE-2018-11469 (April 2018).

Affected products

• Android: 6.0, 7.0, 7.1.0, 7.1.1, 7.1.2, 8.0

References

• https://security.samsungmobile.com/securityUpdate.smsb
• https://security.samsungmobile.com/securityUpdate.smsb

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