CVE-2025-47729
TeleMessage TM SGNL Hidden Functionality Vulnerability - [Actively Exploited]
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.
INFO
Published Date :
May 8, 2025, 2:15 p.m.
Last Modified :
Oct. 21, 2025, 11:17 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
TeleMessage TM SGNL contains a hidden functionality vulnerability in which the archiving backend holds cleartext copies of messages from TM SGNL application users.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Apply mitigations per vendor instructions. Absent mitigating instructions from the vendor, discontinue use of the product. ; https://nvd.nist.gov/vuln/detail/CVE-2025-47729
Affected Products
The following products are affected by CVE-2025-47729
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the TeleMessage backend to the latest version.
- Verify encryption of archived messages.
- Review documentation for accuracy.
Public PoC/Exploit Available at Github
CVE-2025-47729 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-47729.
| URL | Resource |
|---|---|
| https://arstechnica.com/security/2025/05/signal-clone-used-by-trump-official-stops-operations-after-report-it-was-hacked/ | Press/Media Coverage |
| https://news.ycombinator.com/item?id=43909220 | Press/Media Coverage |
| https://www.theregister.com/2025/05/05/telemessage_investigating/ | Press/Media Coverage |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-47729 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-47729 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-47729
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
CISA Bot is a GitHub bot that automatically monitors the Cybersecurity and Infrastructure Security Agency (CISA) Known Exploited Vulnerabilities (KEV) Catalog. When new vulnerabilities are published in the KEV, the bot creates GitHub issues in this repository with detailed information about each vulnerability.
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-47729 vulnerability anywhere in the article.
-
Hackread - Latest Cybersecurity, Hacking News, Tech, AI & Crypto
New TeleMessage SGNL Flaw Is Actively Being Exploited by Attackers
TeleMessage SGNL, a made-in-Israel clone of the Signal app used by US government agencies and regulated businesses, has been found running with an outdated configuration that exposes sensitive interna ... Read more
The following table lists the changes that have been made to the
CVE-2025-47729 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 21, 2025
Action Type Old Value New Value Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-47729 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 21, 2025
Action Type Old Value New Value Removed Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-47729 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 21, 2025
Action Type Old Value New Value Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-47729 -
Reanalysis by [email protected]
May. 14, 2025
Action Type Old Value New Value -
Initial Analysis by [email protected]
May. 13, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N Added CWE NVD-CWE-Other Added CPE Configuration OR *cpe:2.3:a:telemessage:text_message_archiver:*:*:*:*:*:*:*:* versions up to (including) 2025-05-05 Added Reference Type MITRE: https://arstechnica.com/security/2025/05/signal-clone-used-by-trump-official-stops-operations-after-report-it-was-hacked/ Types: Press/Media Coverage Added Reference Type MITRE: https://news.ycombinator.com/item?id=43909220 Types: Press/Media Coverage Added Reference Type MITRE: https://www.theregister.com/2025/05/05/telemessage_investigating/ Types: Press/Media Coverage -
CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725
May. 13, 2025
Action Type Old Value New Value Added Date Added 2025-05-12 Added Due Date 2025-06-02 Added 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. Added Vulnerability Name TeleMessage TM SGNL Hidden Functionality Vulnerability -
New CVE Received by [email protected]
May. 08, 2025
Action Type Old Value New Value Added Tag exclusively-hosted-service Added 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. Added CVSS V3.1 AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N Added CWE CWE-912 Added Reference https://arstechnica.com/security/2025/05/signal-clone-used-by-trump-official-stops-operations-after-report-it-was-hacked/ Added Reference https://news.ycombinator.com/item?id=43909220 Added Reference https://www.theregister.com/2025/05/05/telemessage_investigating/