CVE-2021-33541
Vulnerability from cvelistv5
Published
2021-06-25 18:26
Modified
2024-09-16 23:21
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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.
References
info@cert.vde.comhttps://cert.vde.com/en-us/advisories/vde-2021-019Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://cert.vde.com/en-us/advisories/vde-2021-019Third Party Advisory
Impacted products
Vendor Product Version
Phoenix Contact ILC1x Version: ILC1x0 all variants
Version: ILC1x1 all variants
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