How severe is CVE-2021-32088?

CVE-2021-32088 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-2021-32088 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32088?

CVE-2021-32088 affects Quest Kace Systems Management Appliance. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32088?

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-2021-32088 published?

CVE-2021-32088 was published on 2026-07-27 and last updated on 2026-08-03.

CVE-2021-32088

CVE-2021-32088 is a critical-severity vulnerability in Quest Kace Systems Management Appliance 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-384.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-384
Affected product: Quest Kace Systems Management Appliance
Published: 2026-07-27
Last modified: 2026-08-03

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.

Frequently asked questions

What is 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.
How severe is CVE-2021-32088?: CVE-2021-32088 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-2021-32088 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32088?: CVE-2021-32088 affects Quest Kace Systems Management Appliance. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32088?: 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-2021-32088 published?: CVE-2021-32088 was published on 2026-07-27 and last updated on 2026-08-03.

References

Affected products (1)

cpe:2.3:a:quest:kace_systems_management_appliance:11.0.273:*:*:*:*:*:*:*

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