What is CVE-2021-32088?

CVE-2021-32088 is a critical-severity vulnerability in Quest Kace Systems Management Appliance, classified under Session Fixation. CVSS score: 9.8/10. Published 2026-07-27.

How severe is CVE-2021-32088?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Quest Kace Systems Management Appliance

CVE-2021-32088

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.

EPSS: 0.003 (21.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Quest Kace_systems_management_appliance — versions 11.0.273
N/a — versions n/a

Weakness classification (CWE)

CWE-384 — Session Fixation

References

cve@mitre.org (Product)
cve@mitre.org (Vendor Advisory)

Frequently asked questions

What is CVE-2021-32088?: CVE-2021-32088 is a critical-severity vulnerability in Quest Kace Systems Management Appliance, classified under Session Fixation. CVSS score: 9.8/10. Published 2026-07-27.
How severe is CVE-2021-32088?: Critical severity. CVSS v3 base score is 9.8 out of 10.