{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-4466", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2025-11-14T19:25:54.990Z", "datePublished": "2025-11-14T22:52:44.463Z", "dateUpdated": "2026-04-07T14:05:27.116Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unknown", "product": "IPCop", "vendor": "IPCop Project", "versions": [ { "lessThanOrEqual": "2.1.9", "status": "affected", "version": "0", "versionType": "semver" } ] } ], "cpeApplicability": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:a:ipcop:ipcop:*:*:*:*:*:*:*:*", "versionEndIncluding": "2.1.9", "versionStartIncluding": "0", "vulnerable": true } ], "negate": false, "operator": "OR" } ], "operator": "OR" } ], "credits": [ { "lang": "en", "type": "finder", "value": "Mücahit Saratar" } ], "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "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." } ], "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." } ], "impacts": [ { "capecId": "CAPEC-88", "descriptions": [ { "lang": "en", "value": "CAPEC-88 OS Command Injection" } ] } ], "metrics": [ { "cvssV4_0": { "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 8.7, "baseSeverity": "HIGH", "exploitMaturity": "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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-78", "description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-04-07T14:05:27.116Z" }, "references": [ { "tags": [ "exploit" ], "url": "https://www.exploit-db.com/exploits/50183" }, { "tags": [ "product" ], "url": "https://www.ipcop.org/" }, { "tags": [ "product" ], "url": "https://sourceforge.net/projects/ipcop/" }, { "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/ipcop-authenticated-rce" } ], "source": { "discovery": "UNKNOWN" }, "tags": [ "unsupported-when-assigned" ], "timeline": [ { "lang": "en", "time": "2021-08-10T16:00:00.000Z", "value": "ExploitDB-50183 is publicly disclosed." } ], "title": "IPCop <= 2.1.9 Authenticated RCE", "x_generator": { "engine": "vulncheck" }, "datePublic": "2021-08-10T00:00:00.000Z" }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2025-11-17T20:34:29.022007Z", "id": "CVE-2021-4466", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-11-17T20:34:34.580Z" } } ] } }