What is the CVSS score of CVE-2020-8172?

CVE-2020-8172 has a CVSS 3.1 base score of 7.4 (High). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N. EPSS exploitation probability: 6.1%.

Is there a public PoC exploit available for CVE-2020-8172?

Yes, a public proof-of-concept exploit is available for CVE-2020-8172. Prioritise patching immediately. EPSS: 6.1%.

Is there a patch available for CVE-2020-8172?

Yes, a patch is available for CVE-2020-8172. Update the affected software to the latest version immediately.

Graalvm CVE-2020-8172

HIGH

Improper Certificate Validation (CWE-295)

2020-06-08 support@hackerone.com

Authentication Bypass Node.js Oracle Graalvm Mysql Cluster Node Js Blockchain Platform Banking Extensibility Workbench

7.4

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-295 OWASP Top 10:2025 A07:2025 - Authentication Failures ASVS 5.0 V12 - Secure Communication Certificate validation
Impact	CVSS score of 7.4 (HIGH). Attack characteristics: network attack vector, high complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.
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).

Patch available 6.1% exploitation probability (EPSS)

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AnalysisAI

TLS session reuse can lead to host certificate verification bypass in node version < 12.18.0 and < 14.4.0. Rated high severity (CVSS 7.4), this vulnerability is remotely exploitable, no authentication required. Public exploit code available.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-295. TLS session reuse can lead to host certificate verification bypass in node version < 12.18.0 and < 14.4.0. Affected products include: Nodejs Node.Js, Oracle Banking Extensibility Workbench, Oracle Blockchain Platform, Oracle Graalvm, Oracle Mysql Cluster.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.4 HIGH

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

DescriptionNVD

TLS session reuse can lead to host certificate verification bypass in node version < 12.18.0 and < 14.4.0.

Threat Intelligence Overview

EPSS Score

6.1%

Top 7% exploitable

Exploit

POC

Public exploit code exists

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 Yes

EPSS 6.1%

Patch available Yes

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.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

Poc

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +6

CVSS: +37

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:*

cpe:2.3:a:oracle:banking_extensibility_workbench:14.3.0:*:*:*:*:*:*:*

cpe:2.3:a:oracle:banking_extensibility_workbench:14.4.0:*:*:*:*:*:*:*

cpe:2.3:a:oracle:blockchain_platform:*:*:*:*:*:*:*:*

cpe:2.3:a:oracle:graalvm:19.3.2:*:*:*:enterprise:*:*:*

cpe:2.3:a:oracle:graalvm:20.1.0:*:*:*:enterprise:*:*:*

cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*

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References

Advisories & patches

PATCH https://www.oracle.com/security-alerts/cpuapr2022.html PATCH https://www.oracle.com/security-alerts/cpujan2021.html PATCH https://www.oracle.com/security-alerts/cpujul2020.html PATCH https://www.oracle.com/security-alerts/cpuoct2020.html ADVISORY https://nodejs.org/en/blog/vulnerability/june-2020-security-releases/ REF https://security.gentoo.org/glsa/202101-07 REF https://security.netapp.com/advisory/ntap-20200625-0002/ REF https://www.oracle.com//security-alerts/cpujul2021.html

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