What’s Vulnerable › Vulnerabilities

CVE-2018-21049

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% 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-787

Description

An issue was discovered on Samsung mobile devices with N(7.x) and O(8.X) (Exynos chipsets) software. There is an arbitrary memory write in a Trustlet because a secure driver allows access to sensitive APIs. The Samsung ID is SVE-2018-12881 (November 2018).

Affected products

• Android: 7.0, 7.1.0, 7.1.1, 7.1.2, 8.0, 8.1

References

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

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