Home/CVE/operations/attestation/AttestationTask.kt in the Tangem SDK before 5.18.3 for Android has a logic flow in offline wallet
CVE

CVE-2025-27839

operations/attestation/AttestationTask.kt in the Tangem SDK before 5.18.3 for Android has a logic flow in offline wallet

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.

LOW · CVSS 3.2 EPSS 0.00151
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-1025Comparison Using Wrong Factors
▣

Scoring & Timeline

3.2
LOW · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Mar 2025 · 12:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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/
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