CVE-2026-78021
Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains a Generation of Error Message Containing Sensitive Information vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Information disclosure and Information exposure.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Base score: 5.3
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 0.18%
- Percentile among all scored CVEs: 7
- Score date: 10/14/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
🎯 ATT&CK techniques
How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.
- Exploitation
T1190Exploit Public-Facing Applicationinitial access75 % - Primary impact
T1552Unsecured Credentialscredential access80 %
AV:N sin autenticación (T1190). CWE-209 (error messages con info sensible) permite disclosure; la descripción cita 'information disclosure' y 'information exposure', asociado a T1552 (búsqueda de datos sensibles en el sistema).
Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.
🛡️ ATT&CK mitigations that cover these techniques
Affected technologies (1)
CWEs
- CWE-209
References
Raw JSON (NVD)
Show
{
"id": "CVE-2026-78021",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-78021",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-10-14T01:44:20.746396Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "security_alert@emc.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 3.7,
"attackVector": "NETWORK",
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 1.4,
"exploitabilityScore": 2.2
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 1.4,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "security_alert@emc.com",
"affectedData": [
{
"vendor": "Dell",
"product": "Secure Connect Gateway (SCG) Policy Manager",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "5.36.00.16 or late",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-10-09T09:17:09.420",
"references": [
{
"url": "https://www.dell.com/support/kbdoc/en-ca/000503592/dsa-2026-385-security-update-for-dell-secure-connect-gateway-policy-manager-multiple-vulnerabilities?msockid=3021cac2195069ed3194ddad186a68f9",
"tags": [
"Vendor Advisory"
],
"source": "security_alert@emc.com"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "security_alert@emc.com",
"description": [
{
"lang": "en",
"value": "CWE-209"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains a Generation of Error Message Containing Sensitive Information vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Information disclosure and Information exposure."
}
],
"lastModified": "2026-10-14T02:17:00.557",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:dell:policy_manager_for_secure_connect_gateway:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "64C25254-BDDD-4A1B-8A86-E478C32604AE",
"versionEndExcluding": "5.36.00.16"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "security_alert@emc.com"
}