How severe is CVE-2021-1259?

This vulnerability has a severity rating of MEDIUM with a CVSS score of 5.3 out of 10.

What type of vulnerability is CVE-2021-1259?

This is classified as CWE-22, which is a common weakness in software security.

CVE-2021-1259 - MEDIUM Severity | CVSS 5.3

Vulnerability 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.

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