How severe is CVE-2025-48927?

CVE-2025-48927 has a CVSS 3.1 base score of 5.3 (MEDIUM). EPSS estimates a 11.1% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2025-48927: TeleMessage TM SGNL Initialization of a Resource with

CISA Known Exploited Vulnerabilities

TeleMessage TM SGNL Initialization of a Resource with an Insecure Default Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2025-07-01

Remediation 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.

CISA notes
It is recommended that mitigations be applied per vendor instructions if available. If these instructions cannot be located or if mitigations are unavailable, discontinue use of the product. ; https://nvd.nist.gov/vuln/detail/CVE-2025-48927

Description

The TeleMessage service through 2025-05-05 configures Spring Boot Actuator with an exposed heap dump endpoint at a /heapdump URI, as exploited in the wild in May 2025.

Severity

CVSS 3.1 · CNA5.3 MEDIUM

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

SSVC · CISA-ADP

Exploitationactive

Automatableyes

Technical impactpartial

Affected Products

Vendor	Product	Affected versions
TeleMessage	service	0 to 2025-05-05

References

1 Links

Other references

https://www.wired.com/story/how-the-signal-knock-off-app-telemessage-got-hacked-in-20-minutes/

Record Details

Published

2025-05-28

Last updated

2026-02-26

Assigner (CNA)

mitre

Credited to

More from TeleMessage

CVE-2025-489284

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

CVE-2025-477291.9

TeleMessage TM SGNL Hidden Functionality Vulnerability

Related Tool Categories

Tool categories that test for or protect against this vulnerability class.

CWE-1188 · Insecure Default Initialization of Resource

Vulnerability Scanning GRC Software

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.