Medium severity · published May 28, 2025
CVE-2025-48927
TeleMessage TM SGNL Initialization of a Resource with an Insecure Default Vulnerability
In wildKEV
5.3
CVSS
11.6%
EPSS
Yes
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)11.6% · higher than 96% of CVEs
Exploited in the wildYes
CISA KEVListed Jul 1, 2025
Federal remediation dueJul 22, 2025
Ransomware campaign useNot known
Affected products
Which versions
SE
service · TeleMessage
through 2025-05-05 · source: vendor
TE
Telemessage · Smarsh
All versions, or not specified · source: NVD
TS
TM SGNL · TeleMessage
All versions, or not specified · source: KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-48927
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-48927
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
www.wired.com
https://www.wired.com/story/how-the-signal-knock-off-app-telemessage-got-hacked-in-20-minutes/
More from service
4.0
CVE-2025-48928
TeleMessage TM SGNL Exposure of Core Dump File to an Unauthorized Control Sphere Vulnerability