vulnerability

Cisco Catalyst SD-WAN: CVE-2021-1259: Cisco SD-WAN vManage Software Path Traversal Vulnerability

Severity
7
CVSS
(AV:N/AC:L/Au:S/C:N/I:C/A:N)
Published
Jan 20, 2021
Added
Jun 25, 2024
Modified
Apr 1, 2026

Description

A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to conduct path traversal attacks and obtain write access to sensitive files on an affected system. The vulnerability is due to insufficient validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request that contains directory traversal character sequences to an affected system. A successful exploit could allow the attacker to write arbitrary files on the affected system.

Solution

cisco-catalyst-sdwan-update-latest
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.