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Dell Storage Manager CVE-2025-46425

MEDIUM
Improper Restriction of XML External Entity Reference (CWE-611)
2025-10-24 security_alert@emc.com
6.5
CVSS 3.1 · Vendor: emc
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Authenticate with low-privilege credentials
  2. Exploit
    Submit crafted XML with external entity
  3. Execution
    Parser resolves external entity reference
  4. Impact
    Exfiltrate 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.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – 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.

Affects your stack

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Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (emc) PRIMARY 6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
vuln.today AI 6.5 MEDIUM

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.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (emc).

CVSS VectorVendor: emc

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

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

EPSS Score
0.3%
Top 76% exploitable
Prevalence
Low
specialized enterprise SAN/storage management software, limited deployment footprint
Data Quality
3 sources
Confidence: Low

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.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +32
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

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

cpe:2.3:a:dell:storage_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:dell:storage_manager:2020:r1:*:*:*:*:*:*
cpe:2.3:a:dell:storage_manager:2020:r1.10:*:*:*:*:*:*
cpe:2.3:a:dell:storage_manager:2020:r1.2:*:*:*:*:*:*
cpe:2.3:a:dell:storage_manager:2020:r1.20:*:*:*:*:*:*
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CVE-2015-7838 CRITICAL
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ProcessFileUpload.jsp in SolarWinds Storage Manager before 6.2 allows remote attackers to upload and execute arbitrary f

CVE-2025-43995 CRITICAL
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CVE-2021-32521 CRITICAL
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CVE-2021-32520 CRITICAL
9.8 Jul 07

Use of hard-coded cryptographic key vulnerability in QSAN Storage Manager allows attackers to obtain users’ credentials

CVE-2021-32513 CRITICAL
9.8 Jul 07

QsanTorture in QSAN Storage Manager does not filter special parameters properly that allows remote unauthenticated attac

CVE-2021-32512 CRITICAL
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QuickInstall in QSAN Storage Manager does not filter special parameters properly that allows remote unauthenticated atta

CVE-2025-22477 HIGH
8.3 May 06

Dell Storage Center - Dell Storage Manager, version(s) 20.1.20, contain(s) an Improper Authentication vulnerability. Rat

CVE-2025-22478 HIGH
8.1 May 06

Dell Storage Center - Dell Storage Manager, version(s) 20.1.20, contain(s) an Improper Restriction of XML External Entit

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