CVE-2020-26066

MediumCVSS 6.5/10Last modified Jun 17, 2026

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.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Metrics

CVSS 3.0 6.5/10CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-611

Affected software

No affected versions have been published.

Timeline

Published
Nov 18, 2024
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2020-26066: Medium severity, CVSS 6.5 | Vulnix