CVE-2020-6986

Description

In all versions of Omron PLC CJ Series, an attacker can send a series of specific data packets within a short period, causing a service error on the PLC Ethernet module, which in turn causes a PLC service denied result.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.66% Top 30%
Third-Party Advisory us-cert.gov
Affected: n/a Omron PLC CJ Series
Published at:
Updated at:

References

Link Tags
https://www.us-cert.gov/ics/advisories/icsa-20-063-03 us government resource third party advisory mitigation

Frequently Asked Questions

What is the severity of CVE-2020-6986?
CVE-2020-6986 has been scored as a high severity vulnerability.
How to fix CVE-2020-6986?
To fix CVE-2020-6986, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-6986 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-6986 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-6986?
CVE-2020-6986 affects n/a Omron PLC CJ Series.
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