What is CVE-2020-1675?

CVE-2020-1675 is a high-severity vulnerability in Juniper Mist Cloud Ui, classified under Improper Check for Certificate Revocation. CVSS score: 8.3/10. Published 2020-10-16.

How severe is CVE-2020-1675?

High severity. CVSS v3 base score is 8.3 out of 10.

Is CVE-2020-1675 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Juniper Mist Cloud Ui

CVE-2020-1675

When Security Assertion Markup Language (SAML) authentication is enabled, Juniper Networks Mist Cloud UI might incorrectly process invalid authentication certificates which could allow a malicious network-based user to access unauthorized data. This issue affects all Juniper Networks Mist Cloud UI versions prior to September 2 2020.

Published 2020-10-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.006 (46.7th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Juniper Mist Cloud Ui
Juniper Networks Mist Cloud Ui — versions unspecified

Weakness classification (CWE)

Public proof-of-concept exploits

n0-traces/cve_

References

kb.juniper.net/JSA11072 (Vendor Advisory)

Frequently asked questions

What is CVE-2020-1675?: CVE-2020-1675 is a high-severity vulnerability in Juniper Mist Cloud Ui, classified under Improper Check for Certificate Revocation. CVSS score: 8.3/10. Published 2020-10-16.
How severe is CVE-2020-1675?: High severity. CVSS v3 base score is 8.3 out of 10.
Is CVE-2020-1675 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.