CVE Watch24 jul 2026

CVE-2026-20262

Cisco Catalyst SD-WAN Manager Directory or Path Traversal Vulnerability

CVSS

6.5

Medio

EPSS

28.2%

p98

KEV

SÍ

15 jun 2026

Exploit Today

0-100

Publicado: 15 jun 2026 · Última mod.: 24 jul 2026 · CWE-22

EPSS · 30d

28.2%EPSS · 30 días28.2%

2026-09-172026-10-15

Ficha del catálogo KEV

Producto

Cisco / Catalyst SD-WAN Manager

Vulnerabilidad

Cisco Catalyst SD-WAN Manager Directory or Path Traversal Vulnerability

Añadido a KEV

15 jun 2026

Remediar antes de

29 jun 2026

Uso conocido en ransomware

Descripción resumida

Cisco Catalyst SD-WAN Manager contains a directory or path traversal vulnerability that could allow an authenticated, remote attacker to create a file or overwrite any file on the filesystem of an affected system.

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.

Notas

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-arbfw-c2rZvQ ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-20262

Descripción técnica

A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authenticated, remote attacker to create a file or overwrite any file on the filesystem of an affected system. This vulnerability exists because the affected software does not properly validate user-supplied input during a file upload process. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected API endpoint of the affected system. A successful exploit could allow the attacker to create or overwrite any file on the underlying operating system. This file could later be used to elevate to root. To exploit this vulnerability, the attacker must have valid credentials with at least a lower-privileged, single-task user account.

Referencias oficiales

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