CVE-2026-22283: Dell PowerFlex Manager Unauthenticated Information Disclosure Vulnerability

Technical summary

CVE-2026-22283 is classified under CWE-829 (Inclusion of Functionality from Untrusted Control Sphere). The vulnerability exists in Dell PowerFlex Manager prior to version 5.1.0.1. The attack vector is network-based, and while the attack complexity is marked as high, the user interaction requirement and lack of authentication requirement indicate the vulnerability can be triggered remotely by an unauthenticated party. The consequence is primarily confidentiality impact (information disclosure), though the CVSS vector also reflects integrity and availability concerns, suggesting the vulnerability's scope may extend beyond simple data leakage depending on the context of exploitation.

Business impact

Information disclosure in PowerFlex Manager could expose sensitive infrastructure data, including storage configuration, credentials, or operational details critical to data center environments. For organizations managing large-scale storage environments via PowerFlex, compromise of the management interface undermines the confidentiality guarantees of the entire managed infrastructure. The lack of authentication requirement increases business risk by lowering the barrier to exploitation, though the high attack complexity requirement provides some operational friction.

Affected systems

Dell PowerFlex Manager versions prior to 5.1.0.1 are affected. Organizations should inventory their PowerFlex Manager deployments and determine current version status. The vulnerability does not affect later versions, so patching is the definitive mitigation path.

Exploitability

Exploitation is possible for an unauthenticated remote attacker but requires high attack complexity and user interaction, meaning the attack is not trivial and typically requires luring or tricking a user into a specific action or state. This moderates the immediate, widespread exploitation risk compared to vulnerabilities that are immediately exploitable without user involvement. However, the lack of authentication requirement remains a significant factor; attackers need not compromise credentials or assume an authenticated role.

Remediation

Update Dell PowerFlex Manager to version 5.1.0.1 or later. Organizations unable to patch immediately should evaluate compensating controls: restrict network access to the PowerFlex Manager interface to trusted administrative networks, implement rate-limiting and monitoring on management endpoints, and review access logs for anomalous activity. Given the information disclosure risk, consider whether sensitive data processed by PowerFlex can be further isolated or encrypted at rest.

Patch guidance

Dell has released version 5.1.0.1 to address this vulnerability. Refer to the Dell PowerFlex security advisories for specific patching procedures, as they may include prerequisites, rollback considerations, or staged deployment recommendations. Testing patches in a non-production environment before production deployment is strongly advised, particularly for critical infrastructure components like storage management systems.

Detection guidance

Monitor for unusual remote access attempts to PowerFlex Manager, particularly from unexpected source IPs or during off-hours. Log analysis should flag any failed authentication attempts followed by successful connections, or suspicious user-agent strings. Implement network-based detection rules triggered by abnormal request patterns to the PowerFlex Manager API or web interface. Also monitor for unexpected data exfiltration from the PowerFlex Manager host, since successful exploitation results in information disclosure.

Why prioritize this

Although this vulnerability carries a CVSS score of 7.5 (HIGH), several factors influence real-world priority: the requirement for high attack complexity and user interaction reduces immediate exploitability compared to network-adjacent vulnerabilities; however, the unauthenticated nature means attackers can probe and trigger the condition without prior compromise. For organizations where PowerFlex Manager is exposed to the internet or untrusted networks, this warrants immediate patching. For those with well-segmented management networks, prioritization can be slightly deferred but should remain high on the patch schedule.

Risk score, explained

The CVSS 3.1 score of 7.5 reflects: (1) network attack vector, increasing reach; (2) high attack complexity, reducing likelihood; (3) no privilege requirement, lowering the bar for attackers; (4) user interaction required, introducing friction; and (5) high confidentiality impact with collateral integrity and availability implications. The score balances significant information disclosure risk against the technical barriers to successful exploitation. This lands the vulnerability firmly in the HIGH severity tier, warranting timely remediation across all affected instances.

Frequently asked questions