Vulnerability in Beckhoff Twincat
CVE-2020-12494
Beckhoff's TwinCAT RT network driver for Intel 8254x and 8255x is providing EtherCAT functionality. The driver implements real-time features. Except for Ethernet frames sent from real-time functionality, all other Ethernet frames sent thro…
EPSS: 0.010 (59.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Beckhoff Twincat — versions 3.1, 2.11
- Beckhoff Twincat_driver
- Beckhoff Twincat Driver For Intel 8254x (Tcl8254x.sys) — versions unspecified
- Beckhoff Twincat Driver For Intel 8255x (Tcl8255x.sys) — versions unspecified
- Intel 82540em
- Intel 82540ep
- Intel 82541ei
- Intel 82541er
- Intel 82541gi
- Intel 82541pi
Weakness classification (CWE)
References
- info@cert.vde.com (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-12494?
- CVE-2020-12494 is a medium-severity vulnerability in Beckhoff Twincat, classified under Incomplete Cleanup. CVSS score: 5.3/10. Published 2020-06-16.
- How severe is CVE-2020-12494?
- Medium severity. CVSS v3 base score is 5.3 out of 10.