How severe is CVE-2020-4273?

CVE-2020-4273 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-4273 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4273?

CVE-2020-4273 affects Ibm Spectrum Scale. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-4273?

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-2020-4273 published?

CVE-2020-4273 was published on 2020-04-03 and last updated on 2026-06-17.

CVE-2020-4273

CVE-2020-4273 is a high-severity vulnerability in Ibm Spectrum Scale with a CVSS 3.x base score of 7.8. 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 7.8)
CVSS v2: 6.9
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Spectrum Scale
Published: 2020-04-03
Last modified: 2026-06-17

Description

IBM Spectrum Scale 4.2 and 5.0 could allow a local unprivileged attacker with intimate knowledge of the enviornment to execute commands as root using specially crafted input. IBM X-Force ID: 175977.

Frequently asked questions

What is CVE-2020-4273?: IBM Spectrum Scale 4.2 and 5.0 could allow a local unprivileged attacker with intimate knowledge of the enviornment to execute commands as root using specially crafted input. IBM X-Force ID: 175977.
How severe is CVE-2020-4273?: CVE-2020-4273 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-4273 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4273?: CVE-2020-4273 affects Ibm Spectrum Scale. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-4273?: 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-2020-4273 published?: CVE-2020-4273 was published on 2020-04-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:spectrum_scale:*:*:*:*:*:*:*:*

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