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CVE-2025-47729

TeleMessage TM SGNL Hidden Functionality

1.9 LOWActively exploited (CISA KEV)EPSS 0.45%
  1. Published8 May 2025
  2. Added to CISA KEV12 May 2025
  3. Remediation due2 Jun 2025
Actively exploited (CISA KEV)

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

Added to KEV: 12 May 2025Federal remediation due: 2 Jun 2025

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.

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityHigh
Privileges requiredHigh
User interactionNone
ScopeUnchanged
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N

Affected products

Telemessage Text Message Archiver≤ 2025-05-05

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2025-47729 being actively exploited?

Yes. CVE-2025-47729 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 12 May 2025.

How severe is CVE-2025-47729?

CVE-2025-47729 has a CVSS 3.1 base score of 1.9, rated low. EPSS estimates a 0.45% probability of exploitation.

Which products are affected by CVE-2025-47729?

Affected products include Telemessage Text Message Archiver.

How do I fix CVE-2025-47729?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-47729 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, a risk for it never ranks below high, and the update that fixes it moves to the Emergency patch lane. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.