{"cve":"CVE-2021-23274","nvd":{"published":"2021-03-23T17:15:13.903","modified":"2026-06-17T03:38:31.720","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-1021"],"references":["http://www.tibco.com/services/support/advisories","https://www.tibco.com/support/advisories/2021/03/tibco-security-advisory-march-23-2021-tibco-api-exchange-gateway","http://www.tibco.com/services/support/advisories","https://www.tibco.com/support/advisories/2021/03/tibco-security-advisory-march-23-2021-tibco-api-exchange-gateway"],"products":["tibco:api_exchange_gateway","tibco:api_exchange_gateway_distribution"],"source":"nvd","synced_at":"2026-10-19T21:15:50.279857260+00:00"},"epss":{"cve":"CVE-2021-23274","score":0.01218,"percentile":0.68638,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}