{ "schema_version": "1.4.0", "id": "GHSA-5c9g-84hr-f4w2", "modified": "2022-07-13T00:01:04Z", "published": "2022-05-24T17:48:05Z", "aliases": [ "CVE-2021-20501" ], "details": "IBM i 7.1, 7.2, 7.3, and 7.4 SMTP allows a network attacker to send emails to non-existent local-domain recipients to the SMTP server, caused by using a non-default configuration. An attacker could exploit this vulnerability to consume unnecessary network bandwidth and disk space, and allow remote attackers to send spam email. IBM X-Force ID: 198056.", "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H" } ], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20501" }, { "type": "WEB", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/198056" }, { "type": "WEB", "url": "https://www.ibm.com/support/pages/node/6445505" } ], "database_specific": { "cwe_ids": [ "CWE-400" ], "severity": "HIGH", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2021-04-21T12:15:00Z" } }