CVE-2025-48927
KEVTeleMessage TM SGNL Initialization of a Resource with an Insecure Default Vulnerability
Description
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.
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 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NPublishedMay 28, 2025
Last modifiedJun 17, 2026
Added to KEVJul 1, 2025
Remediation dueJul 22, 2025
References
- wired.com/story/how-the-signal-knock-off-app-telemessage-got-hacked-in-20-minutes/Press/Media Coverage
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-48927US Government Resource
0 recent articles mention this CVE
58
Risk assessment · Medium
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 463 days
- CVSS
- 5.3 MEDIUM
- EPSS (30-day exploit probability)
- 11.6% · top 4% of all CVEs
- Weakness
- CWE-1188
- Attack vector
- Network, remotely reachable
- Preconditions
- No privileges and no user interaction
Recommended actions
- 1.Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.