CVE-2026-28252

Estado: AnalizadaCrítica (9.2)—

A Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an attacker to bypass authentication and gain root-level access to the device.

CVSS

Versión: 4.0
Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Puntuación base: 9.2

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.35%
Percentil entre todas las CVEs puntuadas: 26
Fecha de la puntuación: 5/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access70 %
Impacto principalT1078 Valid Accountsstealth · persistence · privilege escalation · initial access75 %
Impacto secundarioT1068 Exploitation for Privilege Escalationprivilege escalation80 %

Vector CVSS:4.0/AV:N/AC:H sin UI:R sugiere aplicación web expuesta (T1190). CWE-327 (criptografía débil) permite bypasear autenticación (T1078) y lograr acceso root (T1068 como escalada final).

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Privileged Account Management Application Isolation and Sandboxing Exploit Protection Update Software Application Developer Guidance Active Directory Configuration

Tecnologías afectadas (3)

Trane — Tracer Concierge Trane — Tracer SC+ Firmware Trane — Tracer SC Firmware

CWE

CWE-327

Referencias

https://www.cisa.gov/news-events/ics-advisories/icsa-26-071-01

JSON original (NVD)

Mostrar

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