What’s Vulnerable › Vulnerabilities

CVE-2020-26133

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-10-28 · updated 2026-06-17
• Weakness: CWE-732

Description

An issue was discovered in Dual DHCP DNS Server 7.40. Due to insufficient access restrictions in the default installation directory, an attacker can elevate privileges by replacing the DualServer.exe binary.

Affected products

• Dual Dhcp Dns Server Project Dual Dhcp Dns Server: 7.40

References

• https://github.com/OffensiveOceloot/advisories/blob/main/CVE-2020-26133.md
• https://github.com/an0ry/advisories
• https://sourceforge.net/projects/dhcp-dns-server/
• https://github.com/OffensiveOceloot/advisories/blob/main/CVE-2020-26133.md
• https://github.com/an0ry/advisories
• https://sourceforge.net/projects/dhcp-dns-server/

Get alerted when CVE-2020-26133 or the next vulnerability affects your stack