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.
Scoring
- CVSS: 1.9 (LOW, 3.1)
- EPSS exploitation probability: Not yet available
- EPSS percentile: Not yet available
CISA KEV status
- Added to KEV: 2025-05-12
- Remediation due date: 2025-06-02
- Known ransomware campaign use: Unknown
Weakness types (CWE)
- CWE-912
References
- 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
More from TeleMessage
- CVE-2025-48928 — TM SGNL
- CVE-2025-48927 — TM SGNL
More LOW-severity vulnerabilities · All exploited vulnerabilities