TeleMessage TM SGNL Hidden Functionality Vulnerability (CVE-2025-47729)
Severity: medium · Patch status: unknown · Since 2025-05-12 · CVE-2025-47729
TeleMessage TM SGNL contains a hidden functionality vulnerability in which the archiving backend holds cleartext copies of messages from TM SGNL application users. CISA added CVE-2025-47729 to its Known Exploited Vulnerabilities catalog on May 12, 2025, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Jun 2, 2025 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch