All versions of package freeopcua/freeopcua are vulnerable to Denial of Service (DoS) when bypassing the limitations for excessive memory consumption by sending multiple CloseSession requests with the deleteSubscription parameter equal to False.
https://security.snyk.io/vuln/SNYK-UNMANAGED-FREEOPCUAFREEOPCUA-2988720
https://github.com/FreeOpcUa/freeopcua/issues/391
Source: Mitre, NVD
Published: 2022-08-23
Updated: 2022-08-25
Base Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
Severity: High
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.0005