{ "schema_version": "1.4.0", "id": "GHSA-v6rf-w7jv-9fmc", "modified": "2023-08-08T15:31:36Z", "published": "2022-01-15T00:01:33Z", "aliases": [ "CVE-2021-20612" ], "details": "Lack of administrator control over security vulnerability in MELSEC-F series FX3U-ENET Firmware version 1.14 and prior, FX3U-ENET-L Firmware version 1.14 and prior and FX3U-ENET-P502 Firmware version 1.14 and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition in communication function of the product or other unspecified effects by sending specially crafted packets to an unnecessary opening of TCP port. Control by MELSEC-F series PLC is not affected by this vulnerability, but system reset is required for recovery.", "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" } ], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20612" }, { "type": "WEB", "url": "https://jvn.jp/vu/JVNVU93268332/index.html" }, { "type": "WEB", "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-013-01" }, { "type": "WEB", "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-023_en.pdf" } ], "database_specific": { "cwe_ids": [ "CWE-798" ], "severity": "HIGH", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2022-01-14T20:15:00Z" } }