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Vulnerability record · CVE-2021-32084 · published 27 July 2026

CVE-2021-32084: Quest kace systems management appliance improper access control vulnerability

Quest · Kace Systems Management Appliance

An issue was discovered in Quest KACE Systems Deployment Appliance (SMA) 11.0.273. If a customer restricts access to the web console by IP address or subnets, the API endpoints are not restricted. If credentials/API keys are known to an attacker, the appliance can still be accessed via the API, leading to a potential compromise of the entire environment that is configured for KACE.

9.8 CVSS 3.1 Critical EPSS 0.56% · top 55.9% CWE-284 · Improper access control
9.8CVSS 3.1 base score
0.56%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
3 Aug 2026Last modified by NVD

Description

An issue was discovered in Quest KACE Systems Deployment Appliance (SMA) 11.0.273. If a customer restricts access to the web console by IP address or subnets, the API endpoints are not restricted. If credentials/API keys are known to an attacker, the appliance can still be accessed via the API, leading to a potential compromise of the entire environment that is configured for KACE.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.quest.com/download-product-select Product
https://support.quest.com/kace-systems-management-appliance/kb/4293505/quest-response-to-criticalstart-vulnerability-rep Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-32084), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.