Vulnerability · Published Mar 5, 2020 · Assigned by icscert
CVE-2020-6986
High 7.5
In plain English
A high-severity uncontrolled resource consumption in Omron PLC CJ Series. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.6%top 24.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Omron PLC CJ Series | all versions |
Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://www.us-cert.gov/ics/advisories/icsa-20-063-03 x_refsource_MISC