CVE-2021-34594
Last modified
CVE-2021-34594 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. TwinCAT OPC UA Server in TF6100 and TS6100 in product versions before 4.3.48.0 or with TcOpcUaServer versions below 3.2.0.194 are prone to a relative path traversal that allow administrators to create or delete any files on the system.. EPSS estimates a 1.09% chance of exploitation in the next 30 days.
Description
TwinCAT OPC UA Server in TF6100 and TS6100 in product versions before 4.3.48.0 or with TcOpcUaServer versions below 3.2.0.194 are prone to a relative path traversal that allow administrators to create or delete any files on the system.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Beckhoff | Tf6100 Firmware | < 4.3.48.0 |
| Beckhoff | Ts6100 Firmware | < 4.3.48.0 |
References
- https://cert.vde.com/en/advisories/VDE-2021-051/Mitigation, Third Party Advisory
- https://cert.vde.com/en/advisories/VDE-2021-051/Mitigation, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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