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Dell OpenManage Enterprise EUVDEUVD-2026-62437

| CVE-2026-70423 MEDIUM
Improper Restriction of XML External Entity Reference (CWE-611)
2026-08-19 dell GHSA-mqwp-h5cm-w625
6.5
CVSS 3.1 · Vendor: dell
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Attack ChainAIDerived

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

  1. Access
    Obtain low-privilege OME account
  2. Delivery
    Identify XML-accepting endpoint (import/API)
  3. Exploit
    Craft XML payload with external entity referencing target file or internal URL
  4. Execution
    Submit payload over network
  5. Persist
    Parser resolves external entity and fetches resource
  6. Impact
    Attacker receives sensitive file content or SSRF response

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 a valid low-privileged account on the Dell OpenManage Enterprise console (CVSS PR:L confirmed). The attacker must have network-level access to the management interface and must reach an endpoint that processes attacker-supplied XML - such as import, configuration upload, or XML-consuming API functionality. No additional user interaction from administrators or other users is required. Exploitation is limited to instances running versions prior to 4.7.0. The unchanged scope (S:U) means the CVE itself does not directly compromise adjacent systems, though SSRF payloads can probe internal network services reachable from the management host. Exploitation is constrained by the requirement for a valid account - unauthenticated external attackers cannot exploit this directly.

Impact

The CVSS 6.5 Medium score accurately reflects the constrained impact profile - confidentiality only (C:H, I:N, A:N) with unchanged scope (S:U) - but understates the strategic value of data accessible through a management platform like OpenManage Enterprise, which may expose BMC credentials, service account tokens, TLS private keys, or internal network topology. Attack complexity is low (AC:L) with no special conditions beyond holding a valid low-privilege account, making the barrier to exploitation minimal once access is obtained. No EPSS data was provided, and the absence of both CISA KEV status and public POC code suggests no confirmed widespread exploitation. SSVC signals lean toward a deferred or scheduled patch cadence for most organizations rather than emergency response, unless insider threat or shared low-privilege access is a concern. The primary realistic risk scenario is a compromised or malicious low-privilege operator account pivoting to extract sensitive configuration data or probe internal services via SSRF. The S:U scope limits direct lateral movement through the CVE itself, though information harvested (credentials, internal hostnames) enables follow-on attacks.

Exploit ScenarioDerived

An attacker with a low-privilege OpenManage Enterprise account - such as a read-only operator or helpdesk user - submits a crafted XML document containing an external entity declaration referencing a local file (e.g., a configuration file containing service credentials) to an API endpoint or import function that processes XML. The server's XML parser resolves the entity, reads the file, and returns its contents inline in the API response or error message. No public POC has been identified, but the technique is identical to well-documented XXE patterns with freely available tooling such as Burp Suite or custom scripts, requiring no exploit development expertise.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Aug 19, 2026

XML External Entity (XXE) injection in Dell OpenManage Enterprise versions prior to 4.7.0 allows a remote low-privileged authenticated attacker to read arbitrary files from the server or conduct server-side request forgery (SSRF), resulting in significant information exposure. The CVSS vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) confirms low-barrier network exploitation - any authenticated user can trigger the flaw with no interaction from other parties. No public exploit code or CISA KEV listing has been identified at time of analysis, though XXE exploitation techniques are universally understood and require no specialized tooling.

RemediationAI

Upgrade Dell OpenManage Enterprise to version 4.7.0 or later, the vendor-released fix confirmed by Dell advisory DSA-2026-359 (https://www.dell.com/support/kbdoc/en-us/000500910/dsa-2026-359-security-update-for-dell-openmanage-enterprise-vulnerabilities). Where immediate patching is not feasible, restrict access to the OpenManage Enterprise web interface and API to the minimum set of named administrators - eliminating broad low-privilege user access directly removes the PR:L attack surface. Implement strict egress filtering on the server hosting OpenManage Enterprise to block outbound connections to internal RFC-1918 ranges and external hosts, which mitigates SSRF-based pivoting even if XXE payloads are submitted; note this does not prevent local file read disclosure. Monitor application logs for XML processing anomalies or unexpected outbound connections from the management host. All compensating controls are partial mitigations only - patching to 4.7.0 is the definitive remediation.

Affected VersionsENISA

OpenManage Enterprise 0 <4.7.0 or later

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

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

Technical ContextAI · show details

CWE-611 (Improper Restriction of XML External Entity Reference) arises when an application's XML parser processes external entity declarations embedded in attacker-controlled XML without disabling that feature. In Dell OpenManage Enterprise - a centralized IT infrastructure management console for Dell hardware environments - XML parsing is commonly involved in import/export workflows, REST/SOAP API handlers, and configuration processing. When the parser resolves an external entity (e.g., <!ENTITY xxe SYSTEM 'file:///etc/shadow'>), it fetches and inlines the referenced resource, which is then returned in the response or error output. CPE cpe:2.3:a:dell:openmanage_enterprise:*:*:*:*:*:*:*:* covers all versions of the application up to the fix at 4.7.0, indicating the flaw is present in the entire version history available prior to the patch. SSRF via XXE is equally possible by targeting internal-only HTTP endpoints, potentially bypassing network segmentation controls protecting adjacent management infrastructure.

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Severity by source

Vendor (dell) 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 requires only a low-privilege account; no integrity or availability impact, confidentiality impact is high via arbitrary file read or SSRF disclosure.

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 (dell).

CVSS VectorVendor: dell

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

Lifecycle Timeline

1
Patch available
Aug 19, 2026 - 15:17 EUVD

DescriptionCVE.org

Dell OpenManage Enterprise, versions prior to 4.7.0, contains an Improper Restriction of XML External Entity Reference vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Information exposure.

Threat Intelligence Overview

EPSS Score
0.3%
Top 80% exploitable
Prevalence
Medium
Enterprise Dell hardware management platform, common in Dell-heavy data centers.
Data Quality
6 sources
Confidence: High

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 Yes
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
None
System Exposure· derived
Open
Automatable
No
Human Impact· derived
Medium
Technical Impact
Partial

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.

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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