Vulnerability Details : CVE-2020-7486
**VERSION NOT SUPPORTED WHEN ASSIGNED** A vulnerability could cause TCM modules to reset when under high network load in TCM v10.4.x and in system v10.3.x. This vulnerability was discovered and remediated in version v10.5.x on August 13, 2009. TCMs from v10.5.x and on will no longer exhibit this behavior.
Products affected by CVE-2020-7486
- cpe:2.3:o:schneider-electric:tricon_tcm_4351_firmware:10.3.x:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:tricon_tcm_4351_firmware:10.4.x:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:tricon_tcm_4352_firmware:10.3.x:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:tricon_tcm_4352_firmware:10.4.x:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:tricon_tcm_4351a_firmware:10.3.x:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:tricon_tcm_4351a_firmware:10.4.x:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:tricon_tcm_4351b_firmware:10.3.x:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:tricon_tcm_4351b_firmware:10.4.x:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:tricon_tcm_4352a_firmware:10.3.x:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:tricon_tcm_4352a_firmware:10.4.x:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:tricon_tcm_4352b_firmware:10.3.x:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:tricon_tcm_4352b_firmware:10.4.x:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-7486
0.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 44 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-7486
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
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-2020-7486
-
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: nvd@nist.gov (Primary)
References for CVE-2020-7486
-
https://www.se.com/ww/en/download/document/SESB-2020-105-01
Security Bulletin - Legacy Triconex Product Vulnerabilities | Schneider ElectricVendor Advisory
-
https://us-cert.cisa.gov/ics/advisories/icsa-20-205-01
Schneider Electric Triconex TriStation and Tricon Communication Module | CISAThird Party Advisory;US Government Resource
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