Vulnerability · CVE-2025-47729
TeleMessage TM SGNL Hidden Functionality Vulnerability
Published May 8, 2025 · catalog updated Jun 17, 2026 · TeleMessage archiving backend
Patch now
CVE-2025-47729 is in the CISA known-exploited catalog, due Jun 2, 2025. Confirm TeleMessage archiving backend against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Gaps on this record
- No version range is stored. A customer cannot check an installed version against this record.
- Severity
- Medium4.9
- Known exploitation
- CISA KEV and VulnCheck KEV
- EPSS
- 0.45%
- Remediation
- Remediation guidance
- Affected products
- cpe telemessage/text message archiver · vendor TeleMessage TM SGNL · vendor TeleMessage archiving backend 0 ≤2025-05-05
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe telemessage/text message archiverversion unspecified
- vendor TeleMessage TM SGNLversion unspecified
- vendor TeleMessage archiving backend 0 ≤2025-05-050 ≤2025-05-05
How to fix CVE-2025-47729
Recommended remediation
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA due date Jun 2, 2025.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2025-47729 is in the CISA known-exploited catalog, due Jun 2, 2025. Confirm TeleMessage archiving backend against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Which versions are affected?
Compare what you have installed with TeleMessage archiving backend 0 ≤2025-05-05 0 ≤2025-05-05. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
What should an analyst verify?
CWE-912: Hidden Functionality. EPSS 0.45%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
May 8, 2025 · Catalog
Detected
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.
May 12, 2025 · CISA KEV
Known exploited
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Jun 2, 2025 · CISA KEV
Remediation due
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Jun 17, 2026 · Catalog
Updated
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.
Sources
- CISA KEVConfirmed exploitationCVE-2025-47729
TeleMessage TM SGNL contains a hidden functionality vulnerability in which the archiving backend holds cleartext copies of messages from TM SGNL application users.
cisa.gov - CVE.orgVulnerability recordCVE-2025-47729
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-47729
30-day exploitation probability 0.4%
first.org - EUVDVulnerability recordEUVD-2025-14003
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" d
euvd.enisa.europa.eu - NIST NVDVulnerability recordCVE-2025-47729
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" d
nvd.nist.gov - VulnCheck KEVConfirmed exploitationCVE-2025-47729
TeleMessage TM SGNL contains a hidden functionality vulnerability in which the archiving backend holds cleartext copies of messages from TM SGNL application users.
vulncheck.com
References
- Press/Media Coverage · arstechnica.com
- EUVD record · euvd.enisa.europa.eu
- Press/Media Coverage · news.ycombinator.com
- CISA note · nvd.nist.gov
- US Government Resource · cisa.gov
- VulnCheck exploitation evidence · cisa.gov
- VulnCheck exploitation evidence · cve.org
- VulnCheck exploitation evidence · loginsoft.com
- Press/Media Coverage · theregister.com
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.