{"cve":"CVE-2021-29726","nvd":{"published":"2022-05-17T17:15:07.903","modified":"2026-06-17T03:48:12.150","status":"Modified","description":"IBM Sterling Secure Proxy 6.0.3 and IBM Secure External Authentication Server 6.0.3 does not properly ensure that a certificate is actually associated with the host due to improper validation of certificates. IBM X-Force ID: 201104.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","score":5.3},"cwes":["CWE-295"],"references":["https://exchange.xforce.ibmcloud.com/vulnerabilities/201104","https://www.ibm.com/support/pages/node/6586754","https://www.ibm.com/support/pages/node/6586756","https://exchange.xforce.ibmcloud.com/vulnerabilities/201104","https://www.ibm.com/support/pages/node/6586754"],"products":["ibm:secure_external_authentication_server","ibm:sterling_secure_proxy"],"source":"nvd","synced_at":"2026-10-19T21:31:59.322382750+00:00"},"epss":{"cve":"CVE-2021-29726","score":0.00884,"percentile":0.59232,"date":"2026-11-01"},"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."]}