How severe is CVE-2020-9478?

CVE-2020-9478 has a CVSS 3.x base score of 8.8, 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 high.

Is CVE-2020-9478 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9478?

CVE-2020-9478 affects Rubrik Cdm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-9478?

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-2020-9478 published?

CVE-2020-9478 was published on 2020-04-13 and last updated on 2026-06-17.

CVE-2020-9478

CVE-2020-9478 is a high-severity vulnerability in Rubrik Cdm with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Rubrik Cdm
Published: 2020-04-13
Last modified: 2026-06-17

Description

An issue was discovered in Rubrik 5.0.3-2296. An OS command injection vulnerability allows an authenticated attacker to remotely execute arbitrary code on Rubrik-managed systems.

Frequently asked questions

What is CVE-2020-9478?: An issue was discovered in Rubrik 5.0.3-2296. An OS command injection vulnerability allows an authenticated attacker to remotely execute arbitrary code on Rubrik-managed systems.
How severe is CVE-2020-9478?: CVE-2020-9478 has a CVSS 3.x base score of 8.8, 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 high.
Is CVE-2020-9478 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9478?: CVE-2020-9478 affects Rubrik Cdm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-9478?: 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-2020-9478 published?: CVE-2020-9478 was published on 2020-04-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:rubrik:cdm:*:*:*:*:*:*:*:*

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