CVE-2025-47729
MediumExploitedPublic exploitThe 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"…
Published May 8, 2025 · Updated Nov 5, 2025
Key Facts
Patch immediately- CVE-2025-47729 is a medium-severity vulnerability (CVSS 4.9 v3.1) affecting Text Message Archiver (Telemessage), archiving backend.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 8, 2025. Public exploit code is available.
- EPSS estimates a 0.4% probability of exploitation in the next 30 days.
- Fixed versions are available, including Text Message Archiver <=2025-05-05, Text Message Archiver 2025-05-05.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
4.9
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
EPSS (30-day exploit likelihood)
0.4%
Higher than 37.3% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2025-47729 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | May 12, 2025 | Jun 2, 2025 | Not reported |
| Industry KEV feed | May 8, 2025 | Jun 2, 2025 | Not reported |
| CIRCL KEV | May 12, 2025 | Jun 2, 2025 | Not reported |
| ENISA EUVD | May 12, 2025 | n/a | Not reported |
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.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Text Message ArchiverTelemessage | See advisory | 2025-05-05 |
| archiving backend | See advisory | n/a |
Patched Releases
Text Message Archiver
<=2025-05-05
Timeline
Publicly disclosed
May 8, 2025
Added to Industry KEV feed
May 8, 2025
Added to CISA KEV
May 12, 2025
Added to CIRCL KEV
May 12, 2025
Added to ENISA EUVD
May 12, 2025
Last updated
Nov 5, 2025
Weakness Type
- CWE-912 Hidden Functionality
References
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- otherhttps://arstechnica.com/security/2025/05/signal-clone-used-by-trump-official-stops-operations-after-report-it-was-hacked/
- otherhttps://news.ycombinator.com/item?id=43909220
FAQ
Common Questions.
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…
Affected: Text Message Archiver (Telemessage); archiving backend. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 8, 2025.
Yes. It was added on May 12, 2025 with a federal remediation due date of Jun 2, 2025.
Public exploit code is available.
Fixed versions are available, including Text Message Archiver <=2025-05-05, Text Message Archiver 2025-05-05.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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