Description

The TeleMessage archiving backend through 2025-05-05 accepts API calls (to request an authentication token) from the TM SGNL (aka Archive Signal) app with the credentials of logfile for the user and enRR8UVVywXYbFkqU#QDPRkO for the password.

Classification

CVE ID: CVE-2025-47730

CVSS Base Severity: MEDIUM

CVSS Base Score: 4.8

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

Affected Products

Vendor: TeleMessage

Product: archiving backend

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.06% (probability of being exploited)

EPSS Percentile: 19.86% (scored less or equal to compared to others)

EPSS Date: 2025-06-06 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-47730
https://news.ycombinator.com/item?id=43909220
https://arstechnica.com/security/2025/05/signal-clone-used-by-trump-official-stops-operations-after-report-it-was-hacked/
https://www.theregister.com/2025/05/05/telemessage_investigating/
https://github.com/micahflee/TM-SGNL-Android/blob/bd7ccbb8bc79193fc4c57cae7cc1051e6250fa89/app/src/tm/java/org/archiver/ArchiveConstants.kt#L45-L46

Timeline