{"id":"CVE-2021-23274","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-23274","generatedAt":"2026-10-27T23:28:39.008Z","title":"The Config UI component of TIBCO Software Inc.'s TIBCO API Exchange Gateway and TIBCO API Exchange Gateway Distribution for TIBCO Silver Fabric contains a vulnerability that theoretically allows an unauthenticated attacker with network access to execute…","description":"The Config UI component of TIBCO Software Inc.'s TIBCO API Exchange Gateway and TIBCO API Exchange Gateway Distribution for TIBCO Silver Fabric contains a vulnerability that theoretically allows an unauthenticated attacker with network access to execute a clickjacking attack on the affected system. A successful attack using this vulnerability does not require human interaction from a person other than the attacker. Affected releases are TIBCO Software Inc.'s TIBCO API Exchange Gateway: versions 2.3.3 and below and TIBCO API Exchange Gateway Distribution for TIBCO Silver Fabric: versions 2.3.3 and below.","published":"2021-03-23T17:15:14.000Z","lastModified":"2026-06-17T03:38:32.000Z","status":"Modified","sourceIdentifier":"security@tibco.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-1021"],"affected":["tibco/api exchange gateway","tibco/api exchange gateway distribution"],"epss":{"score":0.01218,"percentile":0.68427,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.tibco.com/services/support/advisories","tags":["Vendor Advisory"],"source":"security@tibco.com"},{"url":"https://www.tibco.com/support/advisories/2021/03/tibco-security-advisory-march-23-2021-tibco-api-exchange-gateway","tags":["Vendor Advisory"],"source":"security@tibco.com"},{"url":"http://www.tibco.com/services/support/advisories","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.tibco.com/support/advisories/2021/03/tibco-security-advisory-march-23-2021-tibco-api-exchange-gateway","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-23274","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}