CVE-2020-7486 — HIGH (7.5) — White Hats Nepal

Vulnerability Description

**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.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Schneider-Electric	Tricon Tcm 4351 Firmware	10.3.x
Schneider-Electric	Tricon Tcm 4351	-
Schneider-Electric	Tricon Tcm 4352 Firmware	10.3.x
Schneider-Electric	Tricon Tcm 4352	-
Schneider-Electric	Tricon Tcm 4351A Firmware	10.3.x
Schneider-Electric	Tricon Tcm 4351A	-
Schneider-Electric	Tricon Tcm 4351B Firmware	10.3.x
Schneider-Electric	Tricon Tcm 4351B	-
Schneider-Electric	Tricon Tcm 4352A Firmware	10.3.x
Schneider-Electric	Tricon Tcm 4352A	-
Schneider-Electric	Tricon Tcm 4352B Firmware	10.3.x
Schneider-Electric	Tricon Tcm 4352B	-

Related Weaknesses (CWE)

CWE-400

References

https://us-cert.cisa.gov/ics/advisories/icsa-20-205-01Third Party AdvisoryUS Government Resource
https://www.se.com/ww/en/download/document/SESB-2020-105-01Vendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-20-205-01Third Party AdvisoryUS Government Resource
https://www.se.com/ww/en/download/document/SESB-2020-105-01Vendor Advisory

FAQ

What is CVE-2020-7486?

CVE-2020-7486 is a vulnerability with a CVSS score of 7.5 (HIGH). **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 remedi...

How severe is CVE-2020-7486?

CVE-2020-7486 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-7486?

Check the references section above for vendor advisories and patch information. Affected products include: Schneider-Electric Tricon Tcm 4351 Firmware, Schneider-Electric Tricon Tcm 4351, Schneider-Electric Tricon Tcm 4352 Firmware, Schneider-Electric Tricon Tcm 4352, Schneider-Electric Tricon Tcm 4351A Firmware.