CVE-2025-47729: TeleMessage TM SGNL Hidden Functionality Vulnerability
In CISA’s Known Exploited Vulnerabilities catalog: TeleMessage TM SGNL Hidden Functionality Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Description
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.
Vector CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N · CWE-912
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
TeleMessage: archiving backend
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- arstechnica.com/security/2025/05/signal-clone-used-by-trump-official-stops-operations… (opens in new tab)
- news.ycombinator.com/item (opens in new tab)
- www.theregister.com/2025/05/05/telemessage_investigating/ (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)