{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-20797","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","state":"PUBLISHED","assignerShortName":"icscert","dateReserved":"2026-02-05T16:47:16.578Z","datePublished":"2026-02-27T01:03:18.783Z","dateUpdated":"2026-03-02T14:25:33.427Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Copeland XWEB 300D PRO","vendor":"Copeland","versions":[{"lessThanOrEqual":"1.12.1","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"Copeland XWEB 500D PRO","vendor":"Copeland","versions":[{"lessThanOrEqual":"1.12.1","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"Copeland XWEB 500B PRO","vendor":"Copeland","versions":[{"lessThanOrEqual":"1.12.1","status":"affected","version":"0","versionType":"custom"}]}],"credits":[{"lang":"en","type":"finder","value":"Amir Zaltzman and Noam Moshe of Claroty Team82 reported this vulnerability to CISA."}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"A stack based buffer overflow exists in an API route of XWEB Pro version\n 1.12.1 and prior, enabling unauthenticated attackers to cause stack \ncorruption and a termination of the program."}],"value":"A stack based buffer overflow exists in an API route of XWEB Pro version\n 1.12.1 and prior, enabling unauthenticated attackers to cause stack \ncorruption and a termination of the program."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"LOW","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"description":"WE-121","lang":"en"}]}],"providerMetadata":{"orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","shortName":"icscert","dateUpdated":"2026-02-27T01:03:18.783Z"},"references":[{"url":"https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate"},{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-10"},{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.json"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Copeland has provided a fix for the vulnerabilities and recommends users\n update the XWEB Pro to the latest version by going to their software \nupdate page \n<a target=\"_blank\" rel=\"nofollow\" href=\"https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate\">https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate</a> in the \nsections dedicated to the different XWEBPRO models page.\n\n<br>"}],"value":"Copeland has provided a fix for the vulnerabilities and recommends users\n update the XWEB Pro to the latest version by going to their software \nupdate page \n https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate  in the \nsections dedicated to the different XWEBPRO models page."},{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Alternatively, a user logged into an XWEB Pro with internet access can \nupdate XWEB Pro directly from Copeland servers via the menu SYSTEM -- \nUpdates | Network.\n\n<br>"}],"value":"Alternatively, a user logged into an XWEB Pro with internet access can \nupdate XWEB Pro directly from Copeland servers via the menu SYSTEM -- \nUpdates | Network."}],"source":{"advisory":"ICSA-26-057-10","discovery":"EXTERNAL"},"title":"Copeland XWEB and XWEB Pro Stack-based Buffer Overflow","x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-02T14:25:26.397993Z","id":"CVE-2026-20797","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-03-02T14:25:33.427Z"}}]}}