Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessReach exposed ECS IAM endpoint
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DeliverySend unauthenticated request to protected resource
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ExploitIAM authorization check bypassed
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ExecutionServer returns unauthorized data
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ImpactExfiltrate confidential objects/metadata
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Access control enforcement
MITRE ATT&CK
1 technique across 1 tactic: Defense Evasion The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | The only hard prerequisite is network reachability to a Dell ECS 3.5.x (before 3.5.1.7) or 3.6.x (before 3.6.2.4) instance whose IAM-governed endpoints are exposed to the attacker; the CVSS vector AV:N/AC:L/PR:N/UI:N confirms no authentication, no user interaction, and low complexity against default configurations. Impact is limited to unauthorized READ access (C:H, I:N, A:N) - the attacker cannot modify data or affect availability through this flaw. The practical limiting factor is exposure: an ECS deployment whose API/management interfaces are confined to an internal or segmented storage network is only reachable by attackers who already have access to that network, sharply reducing real-world exploitability despite the network attack vector. |
| Impact | The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N, base 7.5 High) describes an easy, network-reachable, unauthenticated read-only breach: high confidentiality impact but zero integrity or availability impact. Countervailing signals lower the real-world priority: EPSS is 0.03% (10th percentile), no POC is known, the vulnerability is not in CISA KEV, and CISA's SSVC framework rates Exploitation as 'none', Automatable as 'no', and Technical Impact as only 'partial'. The 'partial' technical impact and 'no' automatable rating are consistent with a data-disclosure bug that does not grant full system control and is not trivially scriptable across many targets. Net assessment: a genuine confidentiality risk worth patching on a normal cycle, but not an emergency - this is a high-CVSS issue whose secondary signals (EPSS, SSVC, no exploit) point to low active-exploitation likelihood rather than mass exploitation. No conflicting data was found; the network/unauthenticated vector in the description agrees with the CVSS vector. |
| Exploit ScenarioDerived | An attacker with network reachability to an exposed Dell ECS 3.5/3.6 endpoint sends crafted requests to an IAM-governed data path without supplying valid credentials, and the authorization check fails to block them, returning stored objects or configuration/metadata they are not entitled to see. Given AV:N/AC:L/PR:N/UI:N, this requires only network access and no authentication, interaction, or elevated privileges - though no public exploit code is currently known, so exploitation would require independent research. |
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Alert meAnalysisAIv1 – Jul 23, 2026
Broken access control in the Identity and Access Management (IAM) module of Dell ECS (Elastic Cloud Storage) 3.5 and 3.6 lets a remote, unauthenticated attacker read data they should not be able to reach. The flaw exposes confidential object/storage data without granting write or availability impact, and it is fixed in maintenance releases 3.5.1.7 and 3.6.2.4. There is no public exploit identified at time of analysis and EPSS is very low (0.03%), consistent with CISA SSVC scoring exploitation as 'none'.
RemediationAI
Vendor-released patch: upgrade Dell ECS to 3.5.1.7 or later on the 3.5 branch, or to 3.6.2.4 or later on the 3.6 branch, per Dell's advisory (https://dellservices.lightning.force.com/lightning/r/Lightning_Knowledge__kav/ka06P0000004RFTQA2/view). Because the fix corrects the IAM authorization logic itself, upgrading is the only complete remediation and there is no in-product configuration toggle that removes the flaw. Until the upgrade can be scheduled, restrict network reachability of the ECS management and S3/API endpoints to trusted administrative networks or a VPN/bastion, and place the affected interfaces behind a firewall or reverse proxy that denies unauthenticated external access - the trade-off is that legitimate remote or multi-tenant clients relying on direct internet exposure will also lose access, so validate application connectivity after tightening. Monitor ECS access logs for anonymous or unexpected read requests as a detective control while the patch is pending.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Dell ECS is an on-premises software-defined object storage platform (S3/Swift/Atmos-compatible) used for large-scale unstructured data. The defect lives in the IAM authorization layer, which is responsible for enforcing who may access which resources. The root cause is classified as CWE-284 (Improper Access Control): an authorization decision is either missing or incorrectly enforced on a request path, so the IAM module fails to reject an unauthenticated principal before returning protected data. Because the affected component is IAM itself rather than a single API, the weakness is an authorization-enforcement gap rather than a memory-safety or injection bug. The single CPE, cpe:2.3:a:dell:ecs:*, confirms the affected software is the ECS application across the vulnerable version ranges.
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Description confirms remote unauthenticated (AV:N/PR:N/UI:N) read-only disclosure, so C:H with I:N and A:N; no evidence of increased complexity, so AC:L.
Primary rating from NVD.
CVSS VectorNVD
Lifecycle Timeline
5DescriptionNVD
Dell ECS, versions 3.5 and 3.6, contain an Improper Access Control in the Identity and Access Management (IAM) module. A remote unauthenticated attacker may potentially exploit this vulnerability, leading to gaining read access to unauthorized data.
Executive ViewAI
Dell ECS (Elastic Cloud Storage) versions 3.5 and 3.6 contain an unauthenticated access control flaw allowing remote attackers to read confidential object and storage data without credentials. Any organization operating these versions faces exposure of sensitive data with no authentication barrier to access. Immediate upgrade to patched versions 3.5.1.7 or 3.6.2.4 is required.
Apply vendor patch. Network segmentation to restrict unauthorized ECS access provides defense-in-depth during change windows, but patching to versions 3.5.1.7 or 3.6.2.4 is mandatory-no interim mitigations resolve this unauthenticated remote exposure.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
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EUVD-2022-54113
GHSA-g2g3-wfq2-3g8v
NVD
CVE.org
EPSS
Vulnrichment
Exploit-DB