CVE-2025-48928

MEDIUM4.0

CISA KEV

Published 2025-05-28 · Updated 2026-06-17 · Source cve@mitre.org

Summary

CVE-2025-48928 is a medium-severity (CVSS 4.0) vulnerability in TeleMessage TM SGNL. CISA added it to the Known Exploited Vulnerabilities catalog on July 1, 2025, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by July 22, 2025. CISA does not currently list it as used in ransomware campaigns. TeleMessage has 3 vulnerabilities in the KEV catalog, 0 of them linked to ransomware.

All 3 known-exploited TeleMessage vulnerabilities →

Description

The TeleMessage service through 2025-05-05 is based on a JSP application in which the heap content is roughly equivalent to a "core dump" in which a password previously sent over HTTP would be included in this dump, as exploited in the wild in May 2025.

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CWE-528CWE-552

CISA Known-Exploited Vulnerability

Product: TeleMessage — TM SGNL

Name: TeleMessage TM SGNL Exposure of Core Dump File to an Unauthorized Control Sphere Vulnerability

Date added: 2025-07-01 · Due: 2025-07-22

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.

References

View on NVD

More exploited TeleMessage vulnerabilities

Most recently added to CISA KEV

CVE-2025-48927
TM SGNL — TeleMessage TM SGNL Initialization of a Resource with an Insecure Default Vulnerability
added 2025-07-01
CVE-2025-47729
TM SGNL — TeleMessage TM SGNL Hidden Functionality Vulnerability
added 2025-05-12

View all →

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