{"id":"CVE-2021-29726","aliases":["EUVD-2021-16200","GHSA-r9vh-gjqp-fh37"],"status":"published","title":"IBM Sterling Secure Proxy 6.0.3 and IBM Secure External Authentication Server 6.0.3 does not...","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.","severity":{"version":"3.0","score":5.3,"vector":"CVSS:3.0/S:U/AC:L/UI:N/PR:N/A:N/AV:N/C:N/I:L/RC:C/RL:O/E:U","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00884,"percentile":0.59694,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2022-05-17T16:25:20Z","modified":"2026-06-17T03:48:12Z","products":[{"vendor":"ibm","product":"secure external authentication server"},{"vendor":"ibm","product":"secure_external_authentication_server"},{"vendor":"ibm","product":"sterling secure proxy"},{"vendor":"ibm","product":"sterling_secure_proxy"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6586754","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.ibm.com/support/pages/node/6586756","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/201104","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-29726"},{"url":"https://github.com/advisories/GHSA-r9vh-gjqp-fh37"}],"sources":{"cve":[{"id":"CVE-2021-29726","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.","status":"published","published":"2022-05-17T16:25:20.415Z","modified":"2024-09-16T16:53:41.236Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/S:U/AC:L/UI:N/PR:N/A:N/AV:N/C:N/I:L/RC:C/RL:O/E:U","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:06.658806Z"}],"euvd":[{"id":"EUVD-2021-16200","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.","status":"published","published":"2022-05-17T16:25:20Z","modified":"2024-09-16T16:53:41Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/S:U/AC:L/UI:N/PR:N/A:N/AV:N/C:N/I:L/RC:C/RL:O/E:U","level":"medium"}],"updated_at":"2026-11-03T00:55:47.18954Z"}],"ghsa":[{"id":"GHSA-r9vh-gjqp-fh37","title":"IBM Sterling Secure Proxy 6.0.3 and IBM Secure External Authentication Server 6.0.3 does not...","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.","status":"published","published":"2022-05-18T00:00:36Z","modified":"2023-01-28T05:04:55Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:44:15.993879Z"}],"nvd":[{"id":"CVE-2021-29726","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.","status":"published","published":"2022-05-17T17:15:07.903Z","modified":"2026-06-17T03:48:12.15Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"},{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:07:06.029737Z"}]}}