CVE-2025-47729

medium

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.

References

Exploits
More

https://hackread.com/telemessage-sgnl-flaw-actively-exploited-by-attackers/

https://www.securityweek.com/cisa-warns-of-two-exploited-telemessage-vulnerabilities/

https://securityaffairs.com/177743/hacking/u-s-cisa-adds-telemessage-tm-sgnl-to-its-known-exploited-vulnerabilities-catalog.html

https://www.theregister.com/2025/05/05/telemessage_investigating/

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-47729

https://news.ycombinator.com/item?id=43909220

https://arstechnica.com/security/2025/05/signal-clone-used-by-trump-official-stops-operations-after-report-it-was-hacked/

Details

Source: Mitre, NVD

Published: 2025-05-08

Updated: 2025-11-05

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 6.1

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 4.9

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Severity: Medium

EPSS

EPSS: 0.00006