CVEvulnerability

CVE-2021-40873

7.5 HIGH Published 2021-11-10 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-11-10
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-415

Description

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.

Affected configurations

• softing datafeed opc suite (< 5.18) • softing edgeconnector (<= 2.31) • softing opc (< 5.66) • softing secure integration server (<= 1.22) • softing th scope (>= 3.5) • softing uagates (< 1.73) • softing uatoolkit embedded (< 1.40)

Related

Weakness · CWE (1)

References