CVE-2021-32994
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
Softing OPC UA C++ SDK (Software Development Kit) versions from 5.59 to 5.64 exported library functions don't properly validate received extension objects, which may allow an attacker to crash the software by sending a variety of specially crafted packets to access several unexpected memory locations.
Overview
- CVE ID
- CVE-2021-32994
- Assigner
- ics-cert@hq.dhs.gov
- Vulnerability Status
- Analyzed
- Published Version
- 2022-04-04T20:15:09
- Last Modified Date
- 2022-04-13T13:25:27
Weakness Enumerations
CPE Configuration (Product)
CPE | Vulnerable | Operator | Version Start | Version End |
---|---|---|---|---|
cpe:2.3:a:softing:opc_ua_c\+\+_software_development_kit:*:*:*:*:*:*:*:* | 1 | OR | 5.59.0 | 5.65.0 |
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://www.cisa.gov/uscert/ics/advisories/icsa-21-168-02 | Third Party Advisory US Government Resource |
Sources
Source Name | Source URL |
---|---|
NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-32994 |
MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32994 |
History
Created | Old Value | New Value | Data Type | Notes |
---|---|---|---|---|
2022-05-10 15:43:14 | Added to TrackCVE | |||
2022-12-06 14:09:10 | 2022-04-04T20:15Z | 2022-04-04T20:15:09 | CVE Published Date | updated |
2022-12-06 14:09:10 | 2022-04-13T13:25:27 | CVE Modified Date | updated | |
2022-12-06 14:09:10 | Analyzed | Vulnerability Status | updated |