Quest KACE Systems Management Appliance (SMA) Improper Authentication Vulnerability
Quest KACE Systems Management Appliance (SMA) contains an improper authentication vulnerability that could allow attackers to impersonate legitimate users without valid credentials.
A remote attacker, without authentication, can achieve full data confidentiality loss, arbitrary modification of data, complete denial of service or system unavailability. Federal agencies are required to remediate by 2026-05-04 under CISA BOD 22-01.
This is a Improper Authentication (CWE-287) vulnerability in Quest KACE Systems Management Appliance (SMA). Exploitation requires remote network access, low attack complexity, no authentication required, and no user interaction required.
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Phishing link
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Malicious file
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Server compromised
Probably yes if any of these apply:
CISA added this CVE to the Known Exploited Vulnerabilities catalog on 2026-04-20 based on evidence of active exploitation in the wild. Federal agencies required to remediate by 2026-05-04.
Manual remediation steps
Apply the Vendor Patch
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog — apply the vendor's security update as soon as possible.
CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
References
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References