low1.9Known exploited
CVE-2025-47729
TeleMessage TM SGNL Hidden Functionality Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2025-05-12. Federal due date: 2025-06-02.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Impact
The TeleMessage archiving backend through 2025-05-05 holds cleartext copies of messages from TM SGNL (aka Archive Signal) app users, which is different functionality than described in the TeleMessage "End-to-End encryption from the mobile phone through to the corporate archive" documentation, as exploited in the wild in May 2025.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Telemessage | Text Message Archiver | through 2025-05-05 |
Weakness classification
References
- NVD record
- CVE.org record
- CISA KEV catalog
- https://arstechnica.com/security/2025/05/signal-clone-used-by-trump-official-stops-operations-after-report-it-was-hacked/
- https://news.ycombinator.com/item?id=43909220
- https://www.theregister.com/2025/05/05/telemessage_investigating/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-47729