CVE-2020-6986

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
icscertCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 70%
VendorProductVersion
omronplc_cj1_firmware
*
omronplc_cj2_firmware
*
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.us-cert.gov/ics/advisories/icsa-20-063-03
https://www.us-cert.gov/ics/advisories/icsa-20-063-03