CVE-2025-27839

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.

Category

3.2
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.03%
Affected: Tangem SDK
Published at:
Updated at:

References

Link Tags
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

Frequently Asked Questions

What is the severity of CVE-2025-27839?
CVE-2025-27839 has been scored as a low severity vulnerability.
How to fix CVE-2025-27839?
To fix CVE-2025-27839, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-27839 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-27839 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-27839?
CVE-2025-27839 affects Tangem SDK.
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