CVE-2025-27839

3.2 lowEPSS 0.4%

Low (3.2). EPSS 0.4% chance of exploitation in the next 30 days.

operations/attestation/AttestationTask.kt in the Tangem SDK before 5.18.3 for Android has a logic flow in offline wallet attestation (genuineness check) that causes verification results to be disregarded during the first scan of a card. Exploitation may not have been possible.

Severity

CVSS 3.1

3.2 low

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 29% of CVEs (scores of 2026-10-31)
CWE: CWE-1025
Published: 2025-03-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://github.com/tangem/tangem-sdk-android/commit/24588188fdb51ed469cd59d2c595128c1fe63b07
https://github.com/tangem/tangem-sdk-android/releases/tag/release-app_5.18-409
https://tangem.com/en/blog/post/app-update/

Check your stack JSON