What’s Vulnerable › Vulnerabilities

CVE-2023-21426

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-02-09 · updated 2026-06-17
• Weakness: CWE-798

Description

Hardcoded AES key to encrypt cardemulation PINs in NFC prior to SMR Jan-2023 Release 1 allows attackers to access cardemulation PIN.

Affected products

• Samsung Android: 10.0, 10.0-smr-apr-2020-r1, 10.0-smr-apr-2021-r1, 10.0-smr-apr-2022-r1, 10.0-smr-apr-2023-r1, 10.0-smr-aug-2020-r1 (+44)

References

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

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