01 Record
CVE-2020-12494
Beckhoff: Etherleak in TwinCAT RT network driver
MediumPUBLISHEDCNA: CERTVDE
CNA base score5.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
02 Description
Beckhoff: Etherleak in TwinCAT RT network driver
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.01% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 62.8% of scored records. A rank, not a probability.
- NVD base score
- 5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-06-16 13:28Z6 YR AGO
- Last updated
- 2024-08-04 11:56Z2 YR AGO
- Reserved
- 2020-04-30
- Assigning CNA
- CERTVDE
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.3)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weaknesses
- CWE-459Incomplete CleanupBase
- Data version
- 5.1
- Document digest
- 2f8c4fd1564a53a6d060ab296efaeb73f2ab58200df17b7c7e3f2850a798f3c6
05 Affected products
VendorProductVersionsPlatforms
BeckhoffTwinCat Driver for Intel 8254x (Tcl8254x.sys)<= 3.1.0.3603 for TwinCAT 3.1 4024, <= 3.1.0.3512 for TwinCAT 3.1 4022, <= 2.11.0.2120 for TwinCAT 2.11 2350—
BeckhoffTwinCat Driver for Intel 8255x (Tcl8255x.sys)<= 3.1.0.3600 for TwinCAT 3.1 4024, <= 3.1.0.3500 for TwinCAT 3.1 4024, <= 2.11.0.2117 for TwinCAT 2.11 2350—