How severe is CVE-2020-4686?

CVE-2020-4686 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2020-4686 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4686?

CVE-2020-4686 primarily affects Ibm Spectrum Virtualize. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-4686?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-4686 published?

CVE-2020-4686 was published on 2020-08-17 and last updated on 2026-06-17.

CVE-2020-4686

CVE-2020-4686 is a high-severity vulnerability in Ibm Spectrum Virtualize with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 5.5
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Spectrum Virtualize
Published: 2020-08-17
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2020-4686?: 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.
How severe is CVE-2020-4686?: CVE-2020-4686 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2020-4686 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4686?: CVE-2020-4686 primarily affects Ibm Spectrum Virtualize. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-4686?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-4686 published?: CVE-2020-4686 was published on 2020-08-17 and last updated on 2026-06-17.

References

Affected products (12)

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:*:*:*:*:*:*:*

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