How severe is CVE-2020-4383?

CVE-2020-4383 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-4383 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4383?

CVE-2020-4383 affects Ibm Elastic Storage Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-4383?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-4383 published?

CVE-2020-4383 was published on 2020-08-24 and last updated on 2026-06-17.

CVE-2020-4383

CVE-2020-4383 is a medium-severity vulnerability in Ibm Elastic Storage Server with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Elastic Storage Server
Published: 2020-08-24
Last modified: 2026-06-17

Description

IBM Spectrum Scale for IBM Elastic Storage Server 5.3.0 through 5.3.5 could allow an authenticated user to cause a denial of service during deployment while configuring some of the network services. IBM X-Force ID: 179165.

Frequently asked questions

What is CVE-2020-4383?: IBM Spectrum Scale for IBM Elastic Storage Server 5.3.0 through 5.3.5 could allow an authenticated user to cause a denial of service during deployment while configuring some of the network services. IBM X-Force ID: 179165.
How severe is CVE-2020-4383?: CVE-2020-4383 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-4383 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4383?: CVE-2020-4383 affects Ibm Elastic Storage Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-4383?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-4383 published?: CVE-2020-4383 was published on 2020-08-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:elastic_storage_server:*:*:*:*:*:*:*:*

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CVE-2020-4381 — Medium (CVSS 6.5): IBM Spectrum Scale for IBM Elastic Storage Server 5.3.0 through 5.3.6 could allow an authenticated user to cause a…
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CVE-2020-4382 — Medium (CVSS 5.5): IBM Spectrum Scale for IBM Elastic Storage Server 5.3.0 through 5.3.5 could allow an authenticated user to cause a…

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