CVE-2021-40872 json
An issue was discovered in Softing Industrial Automation uaToolkit Embedded before 1.40.
published 2021-11-10 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-28027
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 74%
- public exploits
- 0
- none known
Summary
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 process may crash unexpectedly because of an invalid type cast, and must be restarted.
Patch / fix
- softing uatoolkit_embedded 1.40
Exploit prediction
1.51% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-843 Access of Resource Using Incompatible Type
References
-
industrial.softing.com
/
vendor-advisory
-
industrial.softing.com
/fileadmin/sof-files/pdf/ia/support/Security_Bulletin_CVE-2021-40872.pdf
vendor-advisory
Sources
- CVE List CVE-2021-40872
- NVD CVE-2021-40872
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