Overview
- Description
- Kernel drivers in Beckhoff TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, and TwinCAT 3.1 lack proper validation of user-supplied pointer values. An attacker who is able to execute code on the target may be able to exploit this vulnerability to obtain SYSTEM privileges.
- Source
- ics-cert@hq.dhs.gov
- NVD status
- Modified
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 7.8
- Impact score
- 5.9
- Exploitability score
- 1.8
- Vector string
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 7.2
- Impact score
- 10
- Exploitability score
- 3.9
- Vector string
- AV:L/AC:L/Au:N/C:C/I:C/A:C
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:beckhoff:twincat:2.11:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7598766E-561F-467D-A426-2A41837CD951"
},
{
"criteria": "cpe:2.3:a:beckhoff:twincat:3.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7723E250-67D8-4493-B3BA-063B63EA7DBF"
},
{
"criteria": "cpe:2.3:a:beckhoff:twincat_c\\+\\+:3.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "30734197-FA69-42CE-9EF9-04779214F402"
}
],
"operator": "OR"
}
]
}
]