CVE-2020-26131

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-10-28 · updated 2026-06-17
Weakness: CWE-732

Description

Issues were discovered in Open DHCP Server (Regular) 1.75 and Open DHCP Server (LDAP Based) 0.1Beta. Due to insufficient access restrictions in the default installation directory, an attacker can elevate privileges by replacing the OpenDHCPServer.exe (Regular) or the OpenDHCPLdap.exe (LDAP Based) binary.

Affected products

Open Dhcp Server Project Open Dhcp Server: 0.1-beta, 1.75

References

https://github.com/OffensiveOceloot/advisories/blob/main/CVE-2020-26131.md
https://github.com/an0ry/advisories
https://sourceforge.net/projects/dhcpserver/
https://github.com/OffensiveOceloot/advisories/blob/main/CVE-2020-26131.md
https://github.com/an0ry/advisories
https://sourceforge.net/projects/dhcpserver/

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