CVE detail

CVE-2020-1677 — CVE-2020-1677

Published 2020-10-16 · Modified 2026-06-17 · Vendor juniper · Product mist_cloud_ui · Source nvd

HIGH

severity

CVSS-derived band

7.2

CVSS v3

0–10 scale

0.0043

EPSS probability

exploitation probability, 30d

35.0%

EPSS percentile

percentile vs all CVEs

NOT LISTED

CISA KEV

known exploited catalog

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.

Remediation

vendor remediation guidance

Mist Cloud UI has been updated on September 2 2020 to resolve this specific issue.

workarounds

No workarounds are required since the issue has been resolved in the Mist cloud UI.

Product	Vulnerable range	Fixed version	Advisory
Juniper Networks MIST Cloud UI	>=unspecified<09/02/2020	09/02/2020	advisory ↗

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.