{"affected":[{"affectedData":[{"defaultStatus":"unknown","product":"IPCop","vendor":"IPCop Project","versions":[{"lessThanOrEqual":"2.1.9","status":"affected","version":"0","versionType":"semver"}]}],"source":"disclosure@vulncheck.com"}],"cveTags":[{"sourceIdentifier":"disclosure@vulncheck.com","tags":["unsupported-when-assigned"]}],"descriptions":[{"lang":"en","value":"IPCop versions up to and including 2.1.9 contain an authenticated remote code execution vulnerability within the web-based administration interface. The email configuration component inserts user-controlled values, including the EMAIL_PW parameter, directly into system-level operations without proper input sanitation. By modifying the email password field to include shell metacharacters and issuing a save-and-test-mail action, an authenticated attacker can execute arbitrary operating system commands with the privileges of the web interface, resulting in full system compromise."}],"id":"CVE-2021-4466","lastModified":"2026-06-17T04:19:49.087","metrics":{"cvssMetricV40":[{"cvssData":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","availabilityRequirement":"NOT_DEFINED","baseScore":8.7,"baseSeverity":"HIGH","confidentialityRequirement":"NOT_DEFINED","exploitMaturity":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"source":"disclosure@vulncheck.com","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2021-4466","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"total"}],"role":"CISA Coordinator","timestamp":"2025-11-17T20:34:29.022007Z","version":"2.0.3"}}]},"published":"2025-11-14T23:15:42.370","references":[{"source":"disclosure@vulncheck.com","url":"https://sourceforge.net/projects/ipcop/"},{"source":"disclosure@vulncheck.com","url":"https://www.exploit-db.com/exploits/50183"},{"source":"disclosure@vulncheck.com","url":"https://www.ipcop.org/"},{"source":"disclosure@vulncheck.com","url":"https://www.vulncheck.com/advisories/ipcop-authenticated-rce"}],"sourceIdentifier":"disclosure@vulncheck.com","vulnStatus":"Deferred","weaknesses":[{"description":[{"lang":"en","value":"CWE-78"}],"source":"disclosure@vulncheck.com","type":"Secondary"}]}