CVE-2020-3374

CRITICAL

Cisco SD-WAN vManage Software - Auth Bypass

Title source: llm
STIX 2.1

Description

A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to bypass authorization, enabling them to access sensitive information, modify the system configuration, or impact the availability of the affected system. The vulnerability is due to insufficient authorization checking on the affected system. An attacker could exploit this vulnerability by sending crafted HTTP requests to the web-based management interface of an affected system. A successful exploit could allow the attacker to gain privileges beyond what would normally be authorized for their configured user authorization level. The attacker may be able to access sensitive information, modify the system configuration, or impact the availability of the affected system.

References (1)

Core 1
Core References

Scores

CVSS v3 9.9
EPSS 0.0010
EPSS Percentile 28.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-285 CWE-863
Status published
Products (1)
cisco/sd-wan < 18.3.0
Published Jul 31, 2020
Tracked Since Feb 18, 2026