Known Exploited Vulnerability
4.9
MEDIUM
CVE-2025-47729
TeleMessage TM SGNL Hidden Functionality Vulnerabi - [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 :

May 14, 2025, 1:12 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

1.2
CISA Notification
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.

Description :

TeleMessage TM SGNL contains a hidden functionality vulnerability in which the archiving backend holds cleartext copies of messages from TM SGNL application users.

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.

Notes :

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

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.

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.

ID Vendor Product Action
1 Telemessage text_message_archiver
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

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

Updated: 1 day, 3 hours ago
1 stars 0 fork 0 watcher
Born at : Oct. 29, 2024, 10:19 a.m. This repo has been linked 151 different CVEs too.

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.

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.

  • 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/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
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.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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Latest DB Update: Jun. 01, 2025 11:46