Critical severity · published Jul 27, 2026
CVE-2021-32088
An issue was discovered in Quest KACE Systems Deployment Appliance (SMA) 11.0.273
9.8
CVSS
0.5%
EPSS
No
On KEV
Description
An issue was discovered in Quest KACE Systems Deployment Appliance (SMA) 11.0.273. Certain API endpoints contain a rate-limiting feature to minimize a brute-force attack. This protection can be bypassed by removing the kboxid cookie.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KS
Kace Systems Management Appliance · Quest
11.0.273 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-32088
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-32088
Product
https://support.quest.com/download-product-select
Vendor Advisory
https://support.quest.com/kace-systems-management-appliance/kb/4293505/quest-response-to-criticalstart-vulnerability-report
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