{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-124003","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-11-06T18:38:38.543Z","datePublished":"2026-11-12T19:37:11.873Z","dateUpdated":"2026-11-13T14:33:36.388Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-11-13T14:33:36.388Z"},"title":"Dixell/Copeland XWEB Setuid Lua CGI Root Command Injection","descriptions":[{"lang":"en","value":"XWEB EVO before 5.6.2 contains a command injection vulnerability where the setuid-root Lua CGI interpreter wlua executes system(\"/usr/bin/lua \"+argv) on unsanitized input. Attackers can craft malicious input reached through a .lua CGI endpoint to inject arbitrary commands into the concatenated argv string, achieving command execution with root privileges. This product line reached it's end of service date in March 2026."}],"tags":["unsupported-when-assigned"],"datePublic":"2026-11-12T00:00:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","description":"Execution with Unnecessary Privileges","cweId":"CWE-250","type":"CWE"}]}],"affected":[{"defaultStatus":"unaffected","vendor":"Copeland","product":"XWEB EVO","versions":[{"status":"affected","version":"0","versionType":"semver","lessThan":"5.6.2"},{"status":"unaffected","version":"5.6.2","versionType":"semver"}]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":8.5,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","version":"3.1","baseSeverity":"HIGH","baseScore":7.8,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}],"references":[{"url":"https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate","name":"Software Download","tags":["patch","product"]},{"url":"https://webapps.copeland.com/dixell/Content/Pages/AdvertisingMaterials/ProductNews/XWEB%20EVO%20EoS%20-%20Product_Bulletin_March_2026.pdf","name":"End of Support Announcement","tags":["vendor-advisory"]},{"url":"https://www.vulncheck.com/advisories/dixell-copeland-xweb-evo-setuid-lua-cgi-root-command-injection","name":"VulnCheck Advisory: Dixell/Copeland XWEB EVO Setuid Lua CGI Root Command Injection","tags":["third-party-advisory"]},{"url":"https://www.vulncheck.com/blog/copeland-xweb-evo-unauthenticated-root","name":"VulnCheck Blog","tags":["technical-description","exploit"]}],"credits":[{"lang":"en","value":"Valentin Lobstein (Chocapikk)","type":"finder"}],"timeline":[{"time":"2026-10-19T16:39:00.000Z","lang":"en","value":"VulnCheck CVD team reported to Copeland PSIRT"},{"time":"2026-10-19T17:11:00.000Z","lang":"en","value":"Copeland PSIRT acknowledged receipt"},{"time":"2026-11-05T19:13:00.000Z","lang":"en","value":"Copeland PSIRT follows up stating that given the EOS status, they will not be carrying out a comparative analysis against previously disclosed vulnerabilities"}],"x_generator":{"engine":"vulncheck"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-11-13T00:24:15.418088Z","id":"CVE-2026-124003","options":[{"Exploitation":"none"},{"Automatable":"no"},{"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":"2026-11-13T00:24:39.423Z"}}]}}