What is the CVSS score of CVE-2020-4686?

CVE-2020-4686 has a CVSS 3.1 base score of 8.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N. EPSS exploitation probability: 1.6%.

Is there a patch available for CVE-2020-4686?

Yes, a patch is available for CVE-2020-4686. Update the affected software to the latest version immediately.

Spectrum Virtualize CVE-2020-4686

HIGH

2020-08-17 psirt@us.ibm.com

Privilege Escalation IBM Storwize V7000 Firmware Storwize V5000 Firmware San Volume Controller Firmware Flashsystem V9000 Firmware Spectrum Virtualize Flashsystem V5000 Firmware Flashsystem V7200 Firmware Flashsystem V9100 Firmware Flashsystem V9200 Firmware Storwize V5000E Firmware Storwize V5100 Firmware

8.1

CVSS 3.1 · NVD

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Vulnerability Assessment

Impact	CVSS score of 8.1 (HIGH). Attack characteristics: network attack vector, low complexity, low 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).

Patch available 1.6% exploitation probability (EPSS)

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AnalysisAI

IBM Spectrum Virtualize 8.3.1 could allow a remote user authenticated via LDAP to escalate their privileges and perform actions they should not have access to. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, low attack complexity.

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

IBM Spectrum Virtualize 8.3.1 could allow a remote user authenticated via LDAP to escalate their privileges and perform actions they should not have access to. IBM X-Force ID: 186678. Affected products include: Ibm Spectrum Virtualize, Ibm Flashsystem V5000 Firmware, Ibm Flashsystem V7200 Firmware, Ibm Flashsystem V9000 Firmware, Ibm Flashsystem V9100 Firmware.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.1 HIGH

AV:N/AC:L/PR:L/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

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

DescriptionNVD

IBM Spectrum Virtualize 8.3.1 could allow a remote user authenticated via LDAP to escalate their privileges and perform actions they should not have access to. IBM X-Force ID: 186678.

Threat Intelligence Overview

EPSS Score

1.6%

Top 27% 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 1.6%

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

None

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +2

CVSS: +40

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Privilege Escalation HIGH

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.

Affected Products (CPE)NVD

cpe:2.3:a:ibm:spectrum_virtualize:8.3.1:*:*:*:*:*:*:*

cpe:2.3:a:ibm:spectrum_virtualize:8.3.1:*:*:*:public_cloud:*:*:*

cpe:2.3:o:ibm:flashsystem_v5000_firmware:8.3.1:*:*:*:*:*:*:*

cpe:2.3:o:ibm:flashsystem_v7200_firmware:8.3.1:*:*:*:*:*:*:*

cpe:2.3:o:ibm:flashsystem_v9000_firmware:8.3.1:*:*:*:*:*:*:*

cpe:2.3:o:ibm:flashsystem_v9100_firmware:8.3.1:*:*:*:*:*:*:*

cpe:2.3:o:ibm:flashsystem_v9200_firmware:8.3.1:*:*:*:*:*:*:*

cpe:2.3:o:ibm:san_volume_controller_firmware:8.3.1:*:*:*:*:*:*:*

cpe:2.3:o:ibm:storwize_v5000_firmware:8.3.1:*:*:*:*:*:*:*

cpe:2.3:o:ibm:storwize_v5000e_firmware:8.3.1:*:*:*:*:*:*:*

cpe:2.3:o:ibm:storwize_v5100_firmware:8.3.1:*:*:*:*:*:*:*

cpe:2.3:o:ibm:storwize_v7000_firmware:8.3.1:*:*:*:*:*:*:*