CVE-2025-48927

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

As of , CVE-2025-48927 in TeleMessage TM SGNL is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.

Exploited
Yes: CISA listed it on 1 July 2025
US federal deadline
22 July 202521 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.11Higher than 95% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
No vendor link in CISA's entry

What CISA says to do

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's required action

What the flaw is

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.

CISA's 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.

The CVE record's description, from mitre

CVE published
28 May 2025
Assigned by
mitre
CVSS
5.3 Medium (CVSS 3.1, from the CNA)
CWE-1188
Initialization of a Resource with an Insecure Default
CISA SSVC, exploitation
active
CISA SSVC, automatable
yes
CISA SSVC, technical impact
partial

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

TM SGNL: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2025-48928Exposure of Core Dump File to an Unauthorized Control SphereTeleMessage TM SGNLPatch soon0.01
CVE-2025-47729Hidden FunctionalityTeleMessage TM SGNLPatch soon0.00

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