{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-124014","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-11-06T18:38:38.544Z","datePublished":"2026-11-12T20:05:59.683Z","dateUpdated":"2026-11-13T14:37:05.009Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-11-13T14:37:05.009Z"},"title":"Dixell/Copeland XWEB EVO Unauthenticated Configuration Write via config.lua","descriptions":[{"lang":"en","value":"XWEB EVO 4.3.0 through 5.8.8 contains an unauthenticated arbitrary file write vulnerability that allows remote attackers to modify the system configuration file /etc/xwebconfig.json by sending a crafted POST request to config.lua with action=set, which performs no session validation and writes the raw, unvalidated request body. Attackers can tamper with configuration values such as model and plugin fields or trigger a SYSTEM_NOT_CONFIGURED state via the unauthenticated action=get and action=set operations, resulting in configuration tampering and denial of service. 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":"Missing Authentication for Critical Function","cweId":"CWE-306","type":"CWE"}]}],"affected":[{"defaultStatus":"unaffected","vendor":"Copeland","product":"XWEB EVO","versions":[{"status":"affected","version":"4.3.0","versionType":"semver","lessThanOrEqual":"5.8.8"}]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","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":8.8,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"HIGH","version":"3.1","baseSeverity":"CRITICAL","baseScore":9.1,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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-unauthenticated-configuration-write-via-config-lua","name":"VulnCheck Advisory: Dixell/Copeland XWEB EVO Unauthenticated Configuration Write via config.lua","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"}}}}