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Secure Connect Gateway EUVDEUVD-2026-95584

| CVE-2026-78027 MEDIUM
Server-Side Request Forgery (SSRF) (CWE-918)
2026-10-09 dell GHSA-hmv8-7c2j-c3hg
6.8
CVSS 3.1 · NVD
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Attack ChainAIDerived

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

  1. Access
    Obtain high-privilege SCG account
  2. Exploit
    Submit crafted SSRF request
  3. Execution
    Server fetches internal resource
  4. Impact
    Exfiltrate disclosed internal data

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V4 - API and Web Service URL allowlisting, SSRF prevention
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Credential Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires the attacker to already hold high-privilege authenticated access to the Dell Secure Connect Gateway (SCG) Policy Manager management interface (CVSS PR:H) - this is the primary limiting factor and means it is not remotely exploitable by anonymous users. The vulnerable component is the SCG Policy Manager in versions prior to 5.34.00.16; upgrading to 5.34.00.16 or later remediates it. The flaw lets the privileged attacker coerce the server into issuing attacker-directed requests (SSRF), with scope change (S:C) indicating the server can reach backend/internal resources beyond its own security boundary, resulting in confidentiality impact only (C:H, I:N, A:N). No user interaction is required (UI:N). The main constraints limiting real-world risk are the high privilege requirement and the absence of any confirmed exploitation or public exploit in the provided intelligence.

Impact

This is a moderate-severity, low-urgency issue rather than a top priority. The vendor CVSS of 5.8 (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N) is network-reachable but gated behind PR:H (high privileges), meaning the attacker must already be an authenticated, highly privileged user of the SCG Policy Manager before anything else applies - a significant barrier that sharply reduces real-world exploitability. No EPSS score, CISA KEV listing, SSVC decision data, or public POC was provided in the input, so there is no signal of active or probable exploitation; per the input this is 'no public exploit identified at time of analysis.' The signals are internally consistent (no CVSS/description conflict): the description's 'high privileged attacker with remote access' aligns with AV:N and PR:H, and the SSRF+information-disclosure impact aligns with C:H/I:N/A:N and the changed scope (S:C) reflecting reach into backend systems. Missing data to note explicitly: EPSS probability is absent (cannot quantify likelihood), KEV status is absent (no confirmed exploitation), and POC availability is unknown. Bottom line: a genuine but privilege-dependent SSRF that most organizations can patch on a normal cycle rather than treat as an emergency.

Exploit ScenarioDerived

An attacker who has already obtained high-privilege authenticated access to the Dell SCG Policy Manager web interface submits a crafted request that causes the server to make attacker-controlled outbound requests. Because the scope is changed (S:C), the server can be coerced into reaching internal/backend systems it can access, returning sensitive data to the attacker (information disclosure). No public exploit code was identified in the provided data, and exploitation requires pre-existing privileged access.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 09, 2026

Server-side request forgery in Dell Secure Connect Gateway (SCG) Policy Manager affects versions prior to 5.34.00.16, letting an attacker who already holds high-privilege access to the management interface coerce the appliance into issuing requests to attacker-chosen destinations. Because the CVSS vector carries PR:H, this is not reachable by anonymous or low-privileged users, and the impact is limited to information disclosure (C:H) with no integrity or availability effect; scope is changed (S:C), so the server can be pivoted toward internal or backend resources outside its own security boundary. No public exploit code or confirmed active exploitation was identified at time of analysis, and the underlying high-privilege prerequisite keeps this a moderate-severity, low-urgency issue rather than a top remediation priority.

RemediationAI

The primary fix is to upgrade Dell Secure Connect Gateway (SCG) Policy Manager to version 5.34.00.16 or later - Vendor-released patch: 5.34.00.16 - which resolves CVE-2026-78027 and any other issues addressed in the same advisory; consult Dell DSA-2026-385 at https://www.dell.com/support/kbdoc/en-ca/000503592/dsa-2026-385-security-update-for-dell-secure-connect-gateway-policy-manager-multiple-vulnerabilities for the exact upgrade procedure and any prerequisite build order. Until the appliance is patched, the highest-value compensating control is tightening who can reach and authenticate to the management interface: restrict administrative access to a dedicated management VLAN or bastion with IP allowlisting, and eliminate shared or overly broad high-privilege accounts, since exploitation requires an authenticated high-privileged session (PR:H) - the trade-off is reduced operator convenience and possible loss of remote administration paths. Second, constrain outbound traffic from the SCG appliance with egress filtering or an explicit destination allowlist so it can only reach its legitimate Dell and managed-device endpoints; this directly blunts the SSRF's reach into internal networks, but it can break legitimate telemetry, policy delivery, and device brokering if the allowlist is incomplete and must be validated in a staging environment. Third, centralize and review SCG audit and proxy logs for anomalous outbound requests to unusual hosts, ports, or internal RFC1918 addresses, accepting that detection-only controls do not prevent the initial coercion. No vendor-published workaround or configuration toggle disabling the vulnerable request function was identified in the provided intelligence, so these compensating measures should be considered temporary mitigations pending upgrade.

Affected VersionsENISA

Secure Connect Gateway (SCG) Policy Manager 0 <5.36.00.16 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

The flaw is a classic server-side request forgery (CWE-918) in the Dell Secure Connect Gateway Policy Manager web management component. SSRF arises when a server-side function accepts a URL, hostname, or endpoint supplied by the caller and performs the outbound request without validating or restricting the destination. In this case the SCG Policy Manager management interface - typically deployed as an appliance-style gateway that brokers connectivity, telemetry, and policy between Dell infrastructure and managed devices - can be induced to make requests to arbitrary internal or backend targets that are otherwise unreachable from the attacker's vantage point. The CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N vector is instructive: network reachability (AV:N) is offset by a high privilege requirement (PR:H) and high attack complexity (AC:H), while the S:C scope change reflects that the vulnerable component's requests can cross a security boundary and reach resources the Policy Manager itself is trusted to access. Only confidentiality is impacted (C:H, I:N, A:N), which is the expected outcome when an SSRF is used as a request-forwarding oracle to read or enumerate internal services rather than to modify data. The CPE entry cpe:2.3:a:dell:secure_connect_gateway_(scg)_policy_manager:*:*:*:*:*:*:*:* confirms the affected product family, with all versions prior to the fixed build in scope.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (dell) PRIMARY MEDIUM
NVD 6.8 MEDIUM
AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
vuln.today AI 5.8 MEDIUM

Requires pre-existing high-privilege account (PR:H) over the network (AV:N); SSRF reaches backend systems (S:C) yielding confidentiality-only impact (C:H, I/A:N), with AC:H retained per vendor.

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

Primary rating from Vendor (dell).

CVSS VectorNVD

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

Lifecycle Timeline

2
CVSS changed
Oct 13, 2026 - 16:52 NVD
5.8 (MEDIUM) 6.8 (MEDIUM)
Patch available
Oct 09, 2026 - 11:02 EUVD

DescriptionNVD

Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains a Server-Side Request Forgery (SSRF) vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Information disclosure and Server-side request forgery.

Threat Intelligence Overview

EPSS Score
0.2%
Top 92% exploitable
Prevalence
Medium
Dell enterprise support gateway, common in Dell-hardware shops but not everywhere
Data Quality
5 sources
Confidence: Medium

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 0.2%
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

34
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +34
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Server-Side Request Forgery exploits applications that fetch remote resources based on user-supplied URLs.

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

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