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Dell SCG CVE-2026-79966

| EUVDEUVD-2026-74895 LOW
Insertion of Sensitive Information into Log File (CWE-532)
2026-09-09 security_alert@emc.com GHSA-fv74-p7jm-v4wp
3.3
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
    Obtain low-privileged local account
  2. Delivery
    Access SCG host filesystem
  3. Exploit
    Read application log files
  4. Execution
    Extract sensitive data from logs
  5. Impact
    Reuse credentials or secrets for further access

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A09:2025 - Security Logging & Alerting Failures
ASVS 5.0
V16 - Security Logging and Error Handling Log data sanitization
Exploitation Conditions

Exploitation requires an existing local account on the Dell SCG 5.0 host with at least low-level OS privileges (PR:L per CVSS). The attacker must have read access to the application log files on the local filesystem. No network access, no authentication bypass, and no special software configuration is needed beyond the local foothold. Exploitation is limited to users who can log into the SCG host directly or via local shell access; purely remote attackers with no existing local credentials cannot exploit this vulnerability.

Impact

The overall risk is low, consistent with the CVSS base score of 3.3. The local attack vector and requirement for an existing low-privileged account are meaningful constraints - network-based mass exploitation is not possible. Even a mid-sized municipal IT team in bytom deploying Dell SCG internally would only face risk from insider threats or from attackers who have already compromised a local account on the gateway host. No public exploit code has been identified, EPSS-equivalent signals are expected to be minimal, and CISA KEV status is not indicated. The primary real-world concern is an insider or post-compromise scenario where a threat actor with a foothold on the SCG host escalates information gathering by harvesting log-resident credentials. The impact is confidentiality-only and scoped to the local system (S:U), limiting lateral movement potential to whatever the exposed secrets unlock elsewhere.

Exploit ScenarioDerived

A low-privileged local user on a Dell SCG 5.0 host - such as a service account or shared-access operator - navigates to the application's log directory and reads log files containing cleartext sensitive data written during normal SCG operations. No exploit code or special tooling is required; standard OS file-read commands suffice. If the logs contain credentials (e.g., service account passwords or API tokens), the attacker can reuse them to escalate privileges or access downstream systems.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
Patch available 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 09, 2026

Sensitive information insertion into log files in Dell Secure Connect Gateway (SCG) 5.0 exposes confidential data to local low-privileged users. Both the Appliance variant (prior to 5.36.00.16) and the Application variant (prior to 5.36.00.00) are affected. A local attacker with standard OS-level access can read log files containing sensitive data, potentially including credentials or configuration secrets. No active exploitation or public proof-of-concept has been identified at time of analysis.

RemediationAI

Upgrade the Dell SCG 5.0 Appliance to version 5.36.00.16 or later, and the Dell SCG 5.0 Application to version 5.36.00.00 or later, as documented in Dell advisory DSA-2026-382 at https://www.dell.com/support/kbdoc/en-in/000503426/dsa-2026-382-security-update-for-dell-secure-connect-gateway-virtual-edition-multiple-vulnerabilities. As a compensating control prior to patching, restrict filesystem read permissions on SCG log directories to administrative accounts only, which reduces the window for low-privileged local users to access sensitive log content. Note that permission hardening is a temporary measure and does not prevent the data from being written to logs - patching is required to address the root cause.

Affected VersionsENISA

Secure Connect Gateway 5.0 - Application 0 <5.36.00.00 or later
Secure Connect Gateway 5.0 - Appliance 0 <5.36.00.16 or later

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Technical ContextAI · show details

Dell Secure Connect Gateway (SCG) 5.0 is an enterprise remote support gateway appliance and application used to securely connect customer environments to Dell's technical support infrastructure. The vulnerability is classified as CWE-532 (Insertion of Sensitive Information into Log File), a well-understood logging hygiene failure where the application writes secrets - such as passwords, session tokens, or API keys - into log files without redaction. These log files are typically readable by local users with low-level OS privileges, even absent administrative access. The CVSS vector (AV:L/AC:L/PR:L/UI:N) confirms the attacker must have local access with at least low-privilege credentials, but no elevated rights or special configuration is needed beyond that foothold.

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Severity by source

Vendor (emc) PRIMARY 3.3 LOW
AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
vuln.today AI 3.3 LOW

Local low-privileged access required to read log files; confidentiality impact is limited to data exposed in logs, no integrity or availability impact.

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

Primary rating from Vendor (emc).

CVSS VectorVendor: emc

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

Lifecycle Timeline

1
Patch available
Sep 09, 2026 - 13:49 EUVD

DescriptionCVE.org

Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains an Insertion of Sensitive Information into Log File vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to information exposure.

Threat Intelligence Overview

EPSS Score
0.1%
Top 99% exploitable
Prevalence
Medium
enterprise remote support gateway, common in Dell-heavy IT environments
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 LOW
CISA KEV No
Public POC No
EPSS 0.1%
Patch available Yes
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
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
Defer
Exploitation
None
System Exposure· derived
Small
Automatable
No
Human Impact· derived
Low
Technical Impact
Partial

Priority Score

16
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +16
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

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

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