{ "schema_version": "1.4.0", "id": "GHSA-jwj9-vx74-vv26", "modified": "2022-05-24T19:06:16Z", "published": "2022-05-24T19:06:16Z", "aliases": [ "CVE-2021-33541" ], "details": "Phoenix Contact Classic Line Controllers ILC1x0 and ILC1x1 in all versions/variants are affected by a Denial-of-Service vulnerability. The communication protocols and device access do not feature authentication measures. Remote attackers can use specially crafted IP packets to cause a denial of service on the PLC's network communication module. A successful attack stops all network communication. To restore the network connectivity the device needs to be restarted. The automation task is not affected.", "severity": [], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-33541" }, { "type": "WEB", "url": "https://cert.vde.com/en-us/advisories/vde-2021-019" } ], "database_specific": { "cwe_ids": [ "CWE-770" ], "severity": "HIGH", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2021-06-25T19:15:00Z" } }