Dell Storage Manager
CVE-2025-46425
MEDIUM
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessAuthenticate with low-privilege credentials
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ExploitSubmit crafted XML with external entity
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ExecutionParser resolves external entity reference
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ImpactExfiltrate local files or internal data
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A02:2025 - Security Misconfiguration
ASVS 5.0
V13 - Configuration XML external entity prevention
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Collection The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | Exploitation requires network reachability to the Dell Storage Manager 20.1.20 management interface AND valid low-privileged account credentials (CVSS PR:L) - it is NOT unauthenticated. The attacker must be able to submit XML input to a component that parses external entity references (CWE-611). No user interaction is required (UI:N). The authentication requirement is the primary limiting factor, confining realistic exploitation to users who already have some level of access or to post-credential-compromise scenarios; impact is limited to unauthorized data access (C:H) with no integrity or availability effect. |
| Impact | This is a moderate-severity, moderate-priority issue rather than an emergency. The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, base 6.5) describes a network-reachable XXE that a low-privileged authenticated user can trigger with low complexity and no user interaction, yielding high confidentiality impact but no integrity or availability impact - consistent with XXE used to read files or reach internal resources. The EPSS score is low at 0.33% (24th percentile), the vulnerability is NOT in CISA KEV, and no public proof-of-concept is referenced, so all three exploitation-pressure signals agree that active or imminent mass exploitation is unlikely. The signals are therefore internally consistent (no CVSS-vs-EPSS conflict): a genuine but not urgent flaw. The principal gating factor is the PR:L requirement - an attacker must already hold valid low-privilege credentials to the Storage Manager interface, which meaningfully narrows the opportunistic threat surface and pushes this toward insider or post-compromise risk rather than drive-by exploitation. No SSVC decision data was supplied in the input, so automatable/technical-impact classification cannot be stated. |
| Exploit ScenarioDerived | An attacker holding low-privileged credentials to a Dell Storage Manager 20.1.20 instance submits a crafted XML payload containing an external entity reference to an endpoint that parses XML without disabling external entities. The parser resolves the entity, allowing the attacker to read local files or reach internal systems and obtain unauthorized access to sensitive data. No public exploit code is identified at time of analysis, and exploitation requires valid authentication. |
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Alert meAnalysisAIv1 – Oct 08, 2026
Unauthorized data exposure affects Dell Storage Manager 20.1.20 and the 2020 R1.x family (R1, R1.2, R1.10, R1.20), where improper handling of XML external entities lets an attacker read data that a low-privileged account should not be able to reach. Exploitation requires network reachability to the management interface plus valid low-privileged credentials - the CVSS vector (PR:L) confirms this is an authenticated, not unauthenticated, issue - and produces a high confidentiality impact (C:H) with no integrity or availability effect. No public exploit code has been identified and the flaw is not confirmed as actively exploited (not in CISA KEV); EPSS is low at roughly 0.33% (24th percentile), keeping this a moderate-priority issue rather than an emergency.
RemediationAI
Dell addresses this issue via security update DSA-2025-393, published as a vendor advisory (https://www.dell.com/support/kbdoc/en-us/000382899/dsa-2025-393-security-update-for-storage-center-dell-storage-manager-vulnerabilities); patch availability is indicated, but no exact fixed build number is provided in the available data, so the specific target version should be confirmed directly from the Dell advisory before upgrading Dell Storage Manager 20.1.20 or any 2020 R1.x instance. If immediate patching is not possible, the most effective compensating control is to disable external entity and DTD processing in the XML parser used by the management interface, accepting the trade-off that any legitimate functionality relying on external entities will break. Because exploitation requires valid low-privileged credentials (CVSS PR:L), reducing the number and privilege of accounts that can reach the management console, enforcing least privilege, and rotating credentials for low-privileged users materially shrink the attack surface - at the cost of operational convenience for monitoring and support staff. Network-layer controls are also valuable: restrict access to the Storage Manager management interface to a dedicated administrative VLAN or jump host and block inbound access from untrusted networks, which limits who can submit crafted XML at all, though it does nothing against an attacker who is already inside that trust boundary. Finally, monitor the management interface for anomalous outbound requests or file-read behavior characteristic of XXE, since no public exploit code has been identified and targeted exploitation would likely appear as unusual XML payloads or unexpected egress.
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Technical ContextAI · show details
This is a classic CWE-611 Improper Restriction of XML External Entity (XXE) Reference flaw. Dell Storage Manager exposes XML-consuming functionality (for example SOAP/API or import/configuration parsing), and the underlying XML parser is configured to resolve external entity declarations. Because external entities are not disabled, an attacker who can submit crafted XML can cause the parser to dereference local files, internal URLs, or remote resources, returning their contents in the response or triggering out-of-band retrieval. The affected CPEs (cpe:2.3:a:dell:storage_manager:2020:r1, r1.2, r1.10, r1.20, and the unbounded wildcard entry) confirm the vulnerability spans the 20.1.20 release and the broader 2020 R1.x line. The CVSS vector AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N shows that successful exploitation needs only low-privileged authentication and no user interaction, and that the resulting impact is confined to confidentiality - an attacker can exfiltrate readable files or reachable internal resources but cannot modify data or cause a denial of service through this vector.
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Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Network-accessible XML endpoint (AV:N/AC:L) requiring a valid low-privilege account (PR:L); XXE file/data disclosure gives C:H with no integrity or availability impact.
Primary rating from Vendor (emc).
CVSS VectorVendor: emc
DescriptionCVE.org
Dell Storage Center - Dell Storage Manager, version(s) 20.1.20, contain(s) an Improper Restriction of XML External Entity Reference vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Unauthorized access.
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
XML External Entity (XXE) attacks exploit XML parsers that process Document Type Definitions (DTDs) without proper restrictions.
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)CVE.org
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NVD
CVE.org
EPSS
GitHub PoC
Exploit-DB