CVE-2021-1284CWE-284

Cisco SD-WAN vManage Software Authentication Bypass Vulnerability

High · published May 6, 2021

CVSS v3.1
8.8
EPSS
0%
Percentile
37.3
In the wild
Unconfirmed
What it is

A vulnerability in the web-based messaging service interface of Cisco SD-WAN vManage Software could allow an unauthenticated, adjacent attacker to bypass authentication and authorization and modify the configuration of an affected system. To exploit this vulnerability, the attacker must be able to access an associated Cisco SD-WAN vEdge device. This vulnerability is due to insufficient authorization checks. An attacker could exploit this vulnerability by sending crafted HTTP requests to the web-based messaging service interface of an affected system. A successful exploit could allow the attacker to gain unauthenticated read and write access to the affected vManage system. With this access, the attacker could access information about the affected vManage system, modify the configuration of the system, or make configuration changes to devices that are managed by the system.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00441 · 37.3th percentile
Weakness
CWE-284 · Improper Access Control
Published
2021-05-06T12:50Z
EPSS history
Timeline
  • 06 MAY 12:50Z
    Cisco SD-WAN vManage Software Authentication Bypass Vulnerability
    cvelistv5