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Activamente explotadaCVSS 9.8 · CRITICAL

CVE-2026-72529RCE sin autenticación en TrueConf Server

TrueConf Server contains a missing authentication for critical function vulnerability which could allow a remote unauthorized attacker with network access via port 4307/TCP to execute an arbitrary script.

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Análisis

TrueConf Server versions up to 5.5.5 are vulnerable to unauthenticated remote script execution via port 4307/TCP. An attacker can execute arbitrary commands by calling an undocumented function without valid credentials.

Roles relevantes

BackendCyberSecurityWindowsLinuxCloud

Severidad

Puntaje: 9.8(CRITICAL)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV: NETWORK
AC: LOW
PR: NONE
UI: NONE
S: UNCHANGED
C: HIGH
I: HIGH
A: HIGH
Tipo de falla (CWE): CWE-306

CISA KEV

Agregada al KEV: 2026-08-20
Fecha límite federal: 2026-08-23
Uso conocido en ransomware: Unknown
Acción requerida

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

EPSS

Probabilidad de explotación (próx. 30 días): 0.0028 (0.3%)
Percentil: 21.1%
EPSS: 2026-08-20

Afecta

trueconf:trueconf_server

Descripción técnica

A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 5.3.X to 5.3.9, 5.4.X to 5.4.9, 5.5.X to 5.5.5, and earlier could execute an arbitrary script by calling an undocumented function.

Publicada: 19/8/2026, 17:21:00
Última modificación: 20/8/2026, 19:07:48

Referencias

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