Vulnerability Details : 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.
Products affected by CVE-2020-6986
- cpe:2.3:o:omron:plc_cj1_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:omron:plc_cj2_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-6986
0.55%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 66 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-6986
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-6986
-
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.Assigned by:
- ics-cert@hq.dhs.gov (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2020-6986
-
https://www.us-cert.gov/ics/advisories/icsa-20-063-03
Omron PLC CJ Series | CISAMitigation;Third Party Advisory;US Government Resource
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