CVE-2025-27839

State: Published
Severity: 3.2 Low
Published: Mar 7, 2025
Updated: Mar 10, 2025
Reserved: Mar 7, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	3.2 Low	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N	mitre

Weaknesses

CWE-1025 Comparison Using Wrong Factors

Affected Products

Product	Versions
SDKTangem	before 5.18.3Affected

References

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

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.