What is the CVSS score of CVE-2020-1675?

CVE-2020-1675 has a CVSS 3.1 base score of 8.3 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L. EPSS exploitation probability: 0.6%.

Mist Cloud Ui CVE-2020-1675

HIGH

Improper Check for Certificate Revocation (CWE-299)

2020-10-16 sirt@juniper.net

Denial Of Service Juniper Mist Cloud Ui

8.3

CVSS 3.1 · Vendor: juniper

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Vulnerability Assessment

Weakness	CWE CWE-299 OWASP Top 10:2025 A07:2025 - Authentication Failures ASVS 5.0 V12 - Secure Communication Certificate revocation checking
Impact	CVSS score of 8.3 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.6% exploitation probability (EPSS)

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AnalysisAI

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. Rated high severity (CVSS 8.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified under CWE-299. 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. Affected products include: Juniper Mist Cloud Ui.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (juniper) PRIMARY 8.3 HIGH

AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

Primary rating from Vendor (juniper) · only source for this CVE.

CVSS VectorVendor: juniper

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

DescriptionCVE.org

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.

Threat Intelligence Overview

EPSS Score

0.6%

Top 56% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC No

EPSS 0.6%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.