CVE-2025-48927

TeleMessage TM SGNL Initialization of a Resource with an Insecure Default Vulnerability

n/a

CVSS

8.5%

EPSS (exploit prob.)

94.5%

EPSS percentile

Yes

Actively exploited

Ransomware use

2025-07-01

Added

MITRE ATT&CK techniques

How this vulnerability maps to adversary behaviour, from the Center for Threat-Informed Defense's public CVE→ATT&CK mappings. Use it to check whether your detections already cover the technique.

Technique	Name	Relationship
T1212	Exploitation for Credential Access	exploitation technique
T1005	Data from Local System	primary impact
T1555	Credentials from Password Stores	primary impact

Summary

TeleMessage TM SGNL contains an initialization of a resource with an insecure default vulnerability. This vulnerability relies on how the Spring Boot Actuator is configured with an exposed heap dump endpoint at a /heapdump URI.

Affected software

Vendor: TeleMessage · Product: TM SGNL

Weakness types (CWE):

What to do

This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.

Related vulnerabilities in TeleMessage

CVE	Name	EPSS	Exploited
CVE-2025-47729	TeleMessage TM SGNL Hidden Functionality Vulnerability	0.4%	Yes
CVE-2025-48928	TeleMessage TM SGNL Exposure of Core Dump File to an Unauthorized Control Sphere	0.4%	Yes

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