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Denial of service in Schneider Electric Tricon Communication Module



Published: 2020-07-24
Severity Medium
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2020-7486
CWE ID CWE-400
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Tricon Communications Module (TCM) Models 4351
Hardware solutions / Other hardware appliances

Tricon Communications Module (TCM) Models 4352
Hardware solutions / Other hardware appliances

Tricon Communications Module (TCM) Models 4351A/B
Hardware solutions / Other hardware appliances

Tricon Communications Module (TCM) Models 4352A/B
Hardware solutions / Other hardware appliances

Vendor Schneider Electric

Security Advisory

This security advisory describes one medium risk vulnerability.

1) Resource exhaustion

Severity: Medium

CVSSv3: 6.5 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-7486

CWE-ID: CWE-400 - Uncontrolled Resource Consumption ('Resource Exhaustion')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Tricon Communications Module (TCM) Models 4351: -, 10.0.0

Tricon Communications Module (TCM) Models 4352: -, 10.0.0

Tricon Communications Module (TCM) Models 4351A/B: -, 10.0.0

Tricon Communications Module (TCM) Models 4352A/B: -, 10.0.0

CPE External links

https://www.se.com/ww/en/download/document/SESB-2020-105-01

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.