CVE-2020-7486

7.5 HIGH 2% exploit odds Fix listed

What it is

**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.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of service disruption.
Exploit odds: 1.6% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2020-04-16 19:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 03:24 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 1.6% in the next 30 days (EPSS).
Severity: 7.5 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2020-04-16 19:15 UTC
Last modified: 2026-06-17 03:24 UTC
Exploit probability: 1.6% · EPSS, next 30 days
Weakness: CWE-400 · Uncontrolled resource consumption
Record status: Modified

Affected

schneider-electric Tricon Tcm 4351 Firmware 10.3.x
schneider-electric Tricon Tcm 4351 Firmware 10.4.x
schneider-electric Tricon Tcm 4352 Firmware 10.3.x
schneider-electric Tricon Tcm 4352 Firmware 10.4.x
schneider-electric Tricon Tcm 4351a Firmware 10.3.x
schneider-electric Tricon Tcm 4351a Firmware 10.4.x
schneider-electric Tricon Tcm 4351b Firmware 10.3.x
schneider-electric Tricon Tcm 4351b Firmware 10.4.x

Attack profile CVSS 3.1 · 7.5

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Is it in your code?

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Fix and advisories

References

NVD record · CVE.org record