CVE-2025-47729: TeleMessage TM SGNL Hidden Functionality Vulnerability
Affects TeleMessage TM SGNLSource CISA KEV
Exploited in the wild · KEV due 2 Jun 2025 : apply the vendor's fix or mitigations to TeleMessage TM SGNL now.
Data as of 10/24/2026, 22:16:01 UTC
- Exploitation
Actively exploited – in CISA KEV since 05/12/2025
- KEV deadline
- 06/02/2025 US federal agencies must patch by this date; a sensible deadline for everyone else.
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 37% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:NWhat to do
CISA 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
TeleMessage TM SGNL contains a hidden functionality vulnerability in which the archiving backend holds cleartext copies of messages from TM SGNL application users.
Weaknesses
- CWE-912Hidden Functionality (opens in a new tab)
Class weakness
The product contains functionality that is not documented, not part of the specification, and not accessible through an interface or command sequence that is obvious to the product's users or administrators.