7.5

CVE-2021-40873

An issue was discovered in Softing Industrial Automation OPC UA C++ SDK before 5.66, and uaToolkit Embedded before 1.40. Remote attackers to cause a denial of service (DoS) by sending crafted messages to a client or server. The server process may crash unexpectedly because of a double free, and must be restarted.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Softing ≫ Datafeed Opc Suite Version < 5.18
Softing ≫ Edgeconnector Version <= 2.31
Softing ≫ Opc Version < 5.66
Softing ≫ Secure Integration Server Version <= 1.22
Softing ≫ Th Scope Version >= 3.5
Softing ≫ Uagates Version < 1.73
Softing ≫ Uatoolkit Embedded Version < 1.40
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.63% 0.678
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE-415 Double Free

The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.