CVE-2021-40871
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
An issue was discovered in Softing Industrial Automation OPC UA C++ SDK before 5.66. Remote attackers to cause a denial of service (DoS) by sending crafted messages to a OPC/UA client. The client process may crash unexpectedly because of a wrong type cast, and must be restarted.
Overview
- CVE ID
- CVE-2021-40871
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-11-10T23:15:08
- Last Modified Date
- 2021-11-16T14:47:43
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:softing:datafeed_opc_suite:*:*:*:*:*:*:*:* | 1 | OR | 5.18 | |
| cpe:2.3:a:softing:opc:*:*:*:*:*:*:*:* | 1 | OR | 5.66 | |
| cpe:2.3:a:softing:secure_integration_server:*:*:*:*:*:*:*:* | 1 | OR | 1.22 | |
| cpe:2.3:a:softing:th_scope:*:*:*:*:*:*:*:* | 1 | OR | 3.5 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://industrial.softing.com/ | Vendor Advisory |
| https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_Bulletin-CVE-2021-40871.pdf | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-40871 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40871 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:46:46 | Added to TrackCVE | |||
| 2022-12-05 14:20:09 | 2021-11-10T23:15Z | 2021-11-10T23:15:08 | CVE Published Date | updated |
| 2022-12-05 14:20:09 | 2021-11-16T14:47:43 | CVE Modified Date | updated | |
| 2022-12-05 14:20:09 | Analyzed | Vulnerability Status | updated |