CVE-2020-26131
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.42% probability · 36th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-732
- Affected
- open dhcp server project/open dhcp server
- Source
- cve@mitre.org
References
- https://github.com/OffensiveOceloot/advisories/blob/main/CVE-2020-26131.md
- https://github.com/an0ry/advisoriesExploit, Third Party Advisory
- https://sourceforge.net/projects/dhcpserver/Product
- https://github.com/OffensiveOceloot/advisories/blob/main/CVE-2020-26131.md
- https://github.com/an0ry/advisoriesExploit, Third Party Advisory
- https://sourceforge.net/projects/dhcpserver/Product
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.