Cyber Resilience

CVE-2021-40872

High

Published: 10 November 2021

Published
10 November 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0066 71.7th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-40872 is a high-severity Type Confusion (CWE-843) vulnerability in Softing Smartlink Hw-Dp. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 28.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An issue was discovered in Softing Industrial Automation uaToolkit Embedded before 1.40. Remote attackers to cause a denial of service (DoS) or login as an anonymous user (bypassing security checks) by sending crafted messages to a OPC/UA server. The server…

more

process may crash unexpectedly because of an invalid type cast, and must be restarted.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

softing
smartlink hw-dp
≤ 1.10
softing
uatoolkit embedded
≤ 1.40

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References