CVE-2020-1677

HIGH

Juniper Mist Cloud UI < 2020-09-02 - SAML Authentication Bypass via Modified SAML Response

Title source: llm
STIX 2.1

Description

When SAML authentication is enabled, Juniper Networks Mist Cloud UI might incorrectly handle child elements in SAML responses, allowing a remote attacker to modify a valid SAML response without invalidating its cryptographic signature to bypass SAML authentication security controls. This issue affects all Juniper Networks Mist Cloud UI versions prior to September 2 2020.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_confirm
https://kb.juniper.net/JSA11072

Scores

CVSS v3 7.2
EPSS 0.0018
EPSS Percentile 38.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Details

CWE
CWE-345 CWE-20
Status published
Products (1)
juniper/mist_cloud_ui < 2020-09-02
Published Oct 16, 2020
Tracked Since Feb 18, 2026