Background exploitation KEV catalog
CVE-2025-48928

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

The TeleMessage service through 2025-05-05 is based on a JSP application in which the heap content is roughly equivalent to a "core dump" in which a password previously sent over HTTP would be included in this dump, as exploited in the…

CheckOps priority index
2.8/10 Patch within 7 days
Severity4.0
Probability0.1
Exploitation2/5

Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.

EPSS · today 0.58% higher than 47.5% of CVEs
CVSS 3.1 4.0 AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:
Exploited for 491 days 01 Jul 2025
CISA due date 22 Jul 2025 for US federal agencies

Exploitation probability EPSS · FIRST

05010025 Sep05 Oct15 Oct24 Oct02 Nov
EPSS probability (%)Percentile among all CVEs

Exploitation signals 2 / 5

  • KEV catalog (CISA)01 Jul 2025
  • Exploited in EUVD (ENISA)01 Jul 2025
  • Used by ransomwareno
  • EPSS above 10 %0.58%
  • No account, over the networkno

What to do

Fix

Apply the vendor’s fix as soon as it is available.

CISA guidance: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Meanwhile

Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.

Manufacturers (CRA)

Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained

Description ENISA EUVD

The TeleMessage service through 2025-05-05 is based on a JSP application in which the heap content is roughly equivalent to a "core dump" in which a password previously sent over HTTP would be included in this dump, as exploited in the wild in May 2025.

Affected products

ServiceTM SGNL
Affected versions
  • 0 ≤2025-05-05
Weaknesses (CWE)

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

  1. Published

  2. Exploitation reported (ENISA)

  3. Added to the KEV catalog

  4. CISA remediation due date

References

Other exploited vulnerabilities from the same vendor

  • CVE-2025-48927TeleMessage TM SGNL Initialization of a Resource with an Insecure Default Vulnerability
    4.9 · Background exploitation
  • CVE-2025-47729TeleMessage TM SGNL Hidden Functionality Vulnerability
    2.0 · Background exploitation

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Sources: CISA KEV · ENISA EUVD · FIRST EPSS · OSV. Public data aggregated by CheckOps, updated automatically. Source texts remain the property of their authors. All exploited vulnerabilities