How severe is CVE-2021-21984?

CVE-2021-21984 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-21984 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-21984?

CVE-2021-21984 affects Vmware Vrealize Business For Cloud. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-21984?

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

When was CVE-2021-21984 published?

CVE-2021-21984 was published on 2021-05-07 and last updated on 2026-06-17.

CVE-2021-21984

CVE-2021-21984 is a critical-severity vulnerability in Vmware Vrealize Business For Cloud with a CVSS 3.x base score of 9.8. 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-862.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Vmware Vrealize Business For Cloud
Published: 2021-05-07
Last modified: 2026-06-17

Description

VMware vRealize Business for Cloud 7.x prior to 7.6.0 contains a remote code execution vulnerability due to an unauthorised end point. A malicious actor with network access may exploit this issue causing unauthorised remote code execution on vRealize Business for Cloud Virtual Appliance.

Frequently asked questions

What is CVE-2021-21984?: VMware vRealize Business for Cloud 7.x prior to 7.6.0 contains a remote code execution vulnerability due to an unauthorised end point. A malicious actor with network access may exploit this issue causing unauthorised remote code execution on vRealize Business for Cloud Virtual Appliance.
How severe is CVE-2021-21984?: CVE-2021-21984 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-21984 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-21984?: CVE-2021-21984 affects Vmware Vrealize Business For Cloud. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-21984?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-21984 published?: CVE-2021-21984 was published on 2021-05-07 and last updated on 2026-06-17.

References

https://www.vmware.com/security/advisories/VMSA-2021-0007.html

Affected products (1)

cpe:2.3:a:vmware:vrealize_business_for_cloud:*:*:*:*:*:*:*:*

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