How severe is CVE-2020-28421?

CVE-2020-28421 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-2020-28421 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-28421?

CVE-2020-28421 affects Broadcom Unified Infrastructure Management. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-28421?

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-2020-28421 published?

CVE-2020-28421 was published on 2020-11-23 and last updated on 2026-06-17.

CVE-2020-28421

CVE-2020-28421 is a high-severity vulnerability in Broadcom Unified Infrastructure Management 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: 4.6
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Broadcom Unified Infrastructure Management
Published: 2020-11-23
Last modified: 2026-06-17

Description

CA Unified Infrastructure Management 20.1 and earlier contains a vulnerability in the robot (controller) component that allows local attackers to elevate privileges.

Frequently asked questions

What is CVE-2020-28421?: CA Unified Infrastructure Management 20.1 and earlier contains a vulnerability in the robot (controller) component that allows local attackers to elevate privileges.
How severe is CVE-2020-28421?: CVE-2020-28421 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-2020-28421 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-28421?: CVE-2020-28421 affects Broadcom Unified Infrastructure Management. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-28421?: 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-2020-28421 published?: CVE-2020-28421 was published on 2020-11-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:broadcom:unified_infrastructure_management:*:*:*:*:*:*:*:*

More vulnerabilities in Broadcom Unified Infrastructure Management

CVE-2020-8012 — Critical (CVSS 9.8): CA Unified Infrastructure Management (Nimsoft/UIM) 20.1, 20.3.x, and 9.20 and below contains a buffer overflow…
CVE-2020-8010 — Critical (CVSS 9.8): CA Unified Infrastructure Management (Nimsoft/UIM) 20.1, 20.3.x, and 9.20 and below contains an improper ACL handling…
CVE-2020-8011 — High (CVSS 7.5): CA Unified Infrastructure Management (Nimsoft/UIM) 20.1, 20.3.x, and 9.20 and below contains a null pointer dereference…

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