CVE-2025-47729: TeleMessage TM SGNL Hidden Functionality Vulnerability
TeleMessage TM SGNL contains a hidden functionality vulnerability in which the archiving backend holds cleartext copies of messages from TM SGNL application users.
Other sources
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.
— NVD
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Remove
Remove
TeleMessage TM SGNLfrom your environment.Discontinue use of the product if mitigations are unavailable.
- Remove
Remove
TeleMessage TM SGNL appfrom your environment.Discontinue use of the product if mitigations are unavailable.
- Compensating control
Follow applicable BOD 22-01 guidance for cloud services.
Event History
Frequently Asked Questions
What is the severity of CVE-2025-47729?
CVE-2025-47729 is considered critical due to its cleartext storage of sensitive messages and potential exposure of user data.
How do I fix CVE-2025-47729?
To mitigate CVE-2025-47729, ensure that you update to a version of the TeleMessage Archiving Backend released after May 5, 2025, which addresses this vulnerability.
What are the impacts of CVE-2025-47729?
The impact of CVE-2025-47729 includes the risk of unauthorized access to cleartext copies of messages, compromising user privacy.
Who is affected by CVE-2025-47729?
Users of the TeleMessage Archiving Backend prior to May 5, 2025, are affected by CVE-2025-47729.
What data is compromised in CVE-2025-47729?
CVE-2025-47729 compromises cleartext copies of messages from TM SGNL app users, violating the stated end-to-end encryption features.