CVE-2025-13651

High

Published: 11 February 2026

Published

11 February 2026

Modified

26 March 2026

KEV Added

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Patch

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CVSS Score 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Score 0.0001 2.9th percentile

Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-13651 is a high-severity Exposure of Sensitive System Information to an Unauthorized Control Sphere (CWE-497) vulnerability in Microcom360 Zeusweb. Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 2.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

Threat & Defense at a Glance

What attackers do: exploitation maps to Exploit Public-Facing Application (T1190) and 1 other technique.

Threat & Defense Details

Likely Mitigating ControlsAI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

AC-22 Publicly Accessible Content

addresses: CWE-497

Ongoing reviews detect and remove sensitive system information before it reaches publicly accessible systems.

AC-23 Data Mining Protection

addresses: CWE-497

Employs detection to prevent unauthorized mining of sensitive system information from being exfiltrated to external control spheres.

CM-12 Information Location

addresses: CWE-497

Documenting where system information is processed and stored prevents exposure to unauthorized control spheres.

PE-19 Information Leakage

addresses: CWE-497

The control stops sensitive system information from crossing into unauthorized control spheres through EM emanations.

PM-25 Minimization of Personally Identifiable Information Used in Testing, Training, and Research

addresses: CWE-497

Authorization and minimization requirements keep PII out of test/research control spheres that often lack production-grade protections.

RA-2 Security Categorization

addresses: CWE-497

Documented categorization of system information reduces the chance that sensitive internals are left exposed to unauthorized spheres.

SC-30 Concealment and Misdirection

addresses: CWE-497

System information is concealed or replaced with decoys, reducing leakage to unauthorized observers.

SI-11 Error Handling

addresses: CWE-497

Ensures sensitive system information is not disclosed outside the intended control sphere through error output.

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

T1082 System Information Discovery Discovery

An adversary may attempt to get detailed information about the operating system and hardware, including version, patches, hotfixes, service packs, and architecture.

attack.mitre.org →

Why these techniques?

Direct public-facing web app exploitation (T1190) enabling unauthorized system information disclosure and fingerprinting (T1082).

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

NVD Description

Exposure of Sensitive System Information to an Unauthorized Actor vulnerability in Microcom ZeusWeb allows Web Application Fingerprinting of sensitive data. This issue affects ZeusWeb: 6.1.31.

Deeper analysisAI

CVE-2025-13651 is an Exposure of Sensitive System Information to an Unauthorized Actor vulnerability in Microcom ZeusWeb version 6.1.31. The flaw enables web application fingerprinting of sensitive data, mapped to CWE-497. It carries a CVSS v3.1 base score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N), indicating high severity due to significant confidentiality impact.

Remote attackers require no privileges or user interaction to exploit this vulnerability over the network with low attack complexity. Successful exploitation allows unauthorized actors to fingerprint the web application and expose sensitive system information, potentially aiding further reconnaissance or targeted attacks.

Advisories and additional details are available in the referenced sources, including the CNA announcement at https://www.hackrtu.com/blog/CNA-CVE-2025-13651/, a related CNA report at https://www.hackrtu.com/blog/CNA-HRTU-0001/, the vendor's ZeusWeb service page at https://www.microcom360.com/servicio-zeus-web/, and the ZeusWeb instance at https://zeus.microcom.es:4040/.