CVEs / CVE-2025-48927
CVE-2025-48927: TeleMessage TM SGNL Initialization of a Resource with an Insecure Default Vulnerability
- Known exploited in the CISA KEV catalog since 1 Jul 2025
- medium 5.3 CVSS 3.1 (from the CNA)
- EPSS 11.5% chance of exploitation in the next 30 days, higher than 96% of CVEs (30 Oct 2026)
- Last changed at its sources
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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.
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| TeleMessage service | up to and including 2025-05-05 | — |
Exploitation
| In CISA KEV since | 1 Jul 2025 |
|---|---|
| Due date for US federal agencies | 22 Jul 2025 |
| Used in ransomware campaigns | Unknown |
| 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. |
Severity
| CVSS 3.1 | 5.3 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NScored by the CNA ([email protected]) |
|---|---|
| Weakness | CWE-1188 |
References
- CVE-2025-48927 on NVD
- CVE-2025-48927 in the CISA KEV catalog
- https://www.wired.com/story/how-the-signal-knock-off-app-telemessage-got-hacked-in-20-minutes/ Press/Media Coverage
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-48927 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.