Overview
- Description
- TwinCAT OPC UA Server in versions up to 2.3.0.12 and IPC Diagnostics UA Server in versions up to 3.1.0.1 from Beckhoff Automation GmbH & Co. KG are vulnerable to denial of service attacks. The attacker needs to send several specifically crafted requests to the running OPC UA server. After some of these requests the OPC UA server is no longer responsive to any client. This is without effect to the real-time functionality of IPCs.
- Source
- info@cert.vde.com
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 5.3
- Impact score
- 1.4
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 5
- Impact score
- 2.9
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:N/I:N/A:P
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:beckhoff:ipc_diagnostics_ua_server:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F2F63E85-BE46-46AE-BED7-5D4963672BEE",
"versionEndIncluding": "3.1.0.1"
},
{
"criteria": "cpe:2.3:a:beckhoff:tf6100:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5BE81331-ED73-4B59-BE98-E064A2C32B02",
"versionEndIncluding": "3.3.18"
},
{
"criteria": "cpe:2.3:a:beckhoff:twincat_opc_ua_server:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FFE1FF2F-5E28-4114-BCD5-B33B3898901E",
"versionEndIncluding": "2.3.0.12"
}
],
"operator": "OR"
}
]
}
]