CVE-2020-9464

CVE-2020-9464 is a high-severity vulnerability in Beckhoff Bk9000 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Description

A Denial-of-Service vulnerability exists in BECKHOFF Ethernet TCP/IP Bus Coupler BK9000. After an attack has occurred, the device's functionality can be restored by rebooting.

Frequently asked questions

What is CVE-2020-9464?
A Denial-of-Service vulnerability exists in BECKHOFF Ethernet TCP/IP Bus Coupler BK9000. After an attack has occurred, the device's functionality can be restored by rebooting.
How severe is CVE-2020-9464?
CVE-2020-9464 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-9464 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9464?
CVE-2020-9464 affects Beckhoff Bk9000 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-9464?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-9464 published?
CVE-2020-9464 was published on 2020-03-12 and last updated on 2026-06-17.

References

Affected products (1)

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