How severe is CVE-2021-21982?

CVE-2021-21982 has a CVSS 3.x base score of 9.1, 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 none.

Is CVE-2021-21982 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-21982?

CVE-2021-21982 affects Vmware Carbon Black Cloud Workload. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-21982?

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-2021-21982 published?

CVE-2021-21982 was published on 2021-04-01 and last updated on 2026-06-17.

CVE-2021-21982

CVE-2021-21982 is a critical-severity vulnerability in Vmware Carbon Black Cloud Workload with a CVSS 3.x base score of 9.1. 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Vmware Carbon Black Cloud Workload
Published: 2021-04-01
Last modified: 2026-06-17

Description

VMware Carbon Black Cloud Workload appliance 1.0.0 and 1.01 has an authentication bypass vulnerability that may allow a malicious actor with network access to the administrative interface of the VMware Carbon Black Cloud Workload appliance to obtain a valid authentication token. Successful exploitation of this issue would result in the attacker being able to view and alter administrative configuration settings.

Frequently asked questions

What is CVE-2021-21982?: VMware Carbon Black Cloud Workload appliance 1.0.0 and 1.01 has an authentication bypass vulnerability that may allow a malicious actor with network access to the administrative interface of the VMware Carbon Black Cloud Workload appliance to obtain a valid authentication token. Successful exploitation of this issue would result in the attacker being able to view and alter administrative configuration settings.
How severe is CVE-2021-21982?: CVE-2021-21982 has a CVSS 3.x base score of 9.1, 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 none.
Is CVE-2021-21982 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-21982?: CVE-2021-21982 affects Vmware Carbon Black Cloud Workload. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-21982?: 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-2021-21982 published?: CVE-2021-21982 was published on 2021-04-01 and last updated on 2026-06-17.

References

https://www.vmware.com/security/advisories/VMSA-2021-0005.html

Affected products (1)

cpe:2.3:a:vmware:carbon_black_cloud_workload:*:*:*:*:*:*:*:*

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