{"id":"CVE-2021-29723","aliases":["EUVD-2021-16197","GHSA-24xw-x4fw-fmcw"],"status":"published","title":"IBM Sterling Secure Proxy 6.0.1, 6.0.2, 2.4.3.2, and 3.4.3.2 uses weaker than expected...","description":"IBM Sterling Secure Proxy 6.0.1, 6.0.2, 2.4.3.2, and 3.4.3.2 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-ForceID: 201100.","severity":{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AC:H/AV:N/UI:N/I:N/S:U/A:N/PR:N/C:H/RC:C/E:U/RL:O","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00919,"percentile":0.60738,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-327"],"published":"2021-08-30T17:00:25Z","modified":"2026-06-17T03:48:11Z","products":[{"vendor":"ibm","product":"sterling secure proxy"},{"vendor":"ibm","product":"sterling_external_authentication_server"},{"vendor":"ibm","product":"sterling_secure_proxy"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6484681","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.ibm.com/support/pages/node/6484685","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/201100","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-29723"},{"url":"https://github.com/advisories/GHSA-24xw-x4fw-fmcw"}],"sources":{"cve":[{"id":"CVE-2021-29723","description":"IBM Sterling Secure Proxy 6.0.1, 6.0.2, 2.4.3.2, and 3.4.3.2 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-ForceID: 201100.","status":"published","published":"2021-08-30T17:00:25.9Z","modified":"2024-09-16T20:57:51.336Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AC:H/AV:N/UI:N/I:N/S:U/A:N/PR:N/C:H/RC:C/E:U/RL:O","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:06.658806Z"}],"euvd":[{"id":"EUVD-2021-16197","description":"IBM Sterling Secure Proxy 6.0.1, 6.0.2, 2.4.3.2, and 3.4.3.2 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-ForceID: 201100.","status":"published","published":"2021-08-30T17:00:25Z","modified":"2024-09-16T20:57:51Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AC:H/AV:N/UI:N/I:N/S:U/A:N/PR:N/C:H/RC:C/E:U/RL:O","level":"medium"}],"updated_at":"2026-11-03T00:55:09.505787Z"}],"ghsa":[{"id":"GHSA-24xw-x4fw-fmcw","title":"IBM Sterling Secure Proxy 6.0.1, 6.0.2, 2.4.3.2, and 3.4.3.2 uses weaker than expected...","description":"IBM Sterling Secure Proxy 6.0.1, 6.0.2, 2.4.3.2, and 3.4.3.2 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-ForceID: 201100.","status":"published","published":"2022-05-24T19:12:31Z","modified":"2023-02-22T05:07:13Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-327"],"updated_at":"2026-11-02T14:54:12.981837Z"}],"nvd":[{"id":"CVE-2021-29723","description":"IBM Sterling Secure Proxy 6.0.1, 6.0.2, 2.4.3.2, and 3.4.3.2 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-ForceID: 201100.","status":"published","published":"2021-08-30T17:15:07.47Z","modified":"2026-06-17T03:48:11.917Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-327"],"updated_at":"2026-11-02T14:06:57.67549Z"}]}}