CVE-2026-78491
Quick assessment
Affected
Dell Secure Connect Gateway 5.0 - Application
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Dell SCG 5.0 设备版本在 5.36.00.16 之前，以及 Dell SCG 5.0 应用版本在 5.36.00.00 之前，存在证书验证不当（Improper Certificate Validation）漏洞。拥有远程访问权限的未认证攻击者可能利用该漏洞，从而导致未经授权的访问。
Possible ATT&CK Techniques 3 AI
T1557 · Adversary-in-the-Middle T1210 · Exploitation of Remote Services T1557.001 · Name Resolution Poisoning and SMB Relay
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I. Basic Information for CVE-2026-78491
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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 Improper Certificate Validation vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Dell | Secure Connect Gateway 5.0 - Application | 0 ~ 5.36.00.00 or later | - |
|
| Dell | Secure Connect Gateway 5.0 - Appliance | 0 ~ 5.36.00.16 or later | - |
|
II. Public POCs for CVE-2026-78491
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Same Patch Batch · Dell · 2026-09-09 · 13 CVEs total
| CVE-2026-78494 | 7.4 HIGH | Dell SCG 5.0 5.36之前版本证书验证不当 |
| CVE-2026-80122 | 7.3 HIGH | Dell SCG 5.0 证书验证缺陷致未授权访问 |
| CVE-2026-80123 | 7.3 HIGH | Dell SCG 5.0 SSRF致DoS漏洞 |
| CVE-2026-79636 | 7.0 HIGH | Dell SCG 5.0证书主机不匹配漏洞 |
| CVE-2026-80177 | 6.5 MEDIUM | Dell SCG SQL注入漏洞 |
| CVE-2026-79974 | 6.4 MEDIUM | Dell SCG 5.0 特定版本身份认证不当漏洞 |
| CVE-2026-79973 | 6.3 MEDIUM | Dell SCG 5.0 多线程竞争导致拒绝服务 |
| CVE-2026-79967 | 5.6 MEDIUM | Dell SCG 5.0 证书验证不当致防护机制绕过 |
| CVE-2026-80124 | 5.5 MEDIUM | Dell SCG 5.0 日志敏感信息泄露 |
| CVE-2026-79640 | 5.4 MEDIUM | Dell SCG 5.0 SQL注入漏洞 |
| CVE-2026-80055 | 4.4 MEDIUM | Dell SCG 5.0 旧版存在LDAP注入漏洞 |
| CVE-2026-80175 | 3.3 LOW | Dell SCG 5.0敏感信息暴露至外部可访问目录 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-78491
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