CVE-2021-1486 MEDIUM

CVE-2021-1486: Cisco SD-WAN vManage HTTP Authentication User Enumeration Vulnerability

Vendor Cisco
Product Cisco SD-WAN vManage
Weakness CWE-203
Published May 6, 2021
Last update November 8, 2024

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

A vulnerability in Cisco SD-WAN vManage Software could allow an unauthenticated, remote attacker to enumerate user accounts. This vulnerability is due to the improper handling of HTTP headers. An attacker could exploit this vulnerability by sending authenticated requests to an affected system. A successful exploit could allow the attacker to compare the HTTP responses that are returned by the affected system to determine which accounts are valid user accounts.

Key dates

02Disclosure timeline

May 6, 2021 CVE published
November 8, 2024 Record updated