CVE-2020-3405

High

Description

A vulnerability in the web UI of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to gain read and write access to information that is stored on an affected system. The vulnerability is due to improper handling of XML External Entity (XXE) entries when parsing certain XML files. An attacker could exploit this vulnerability by persuading a user to import a crafted XML file with malicious entries. A successful exploit could allow the attacker to read and write files within the affected application.

SeverityHigh

CVSS7.3

Exploit probability—

Product

Cisco Sd-wan Firmware

PublishedJul 16, 2020

First seenJul 16, 2020

Weakness typeCWE-611XML external entity (XXE)

How to fix

Vendor advisories

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanxml-Aj4GFEKd

Affected products

Product	Affected versions	Fixed in
cisco sd-wan_firmware	v ≤ 19.2.2	—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.