What is the CVSS score of CVE-2020-7486?

CVE-2020-7486 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.6%.

Tricon Tcm 4351 Firmware CVE-2020-7486

Q: Which versions of Tricon Tcm 4351 Firmware are affected by 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.

HIGH

Uncontrolled Resource Consumption (CWE-400)

2020-04-16 cybersecurity@se.com

Denial Of Service Tricon Tcm 4351 Firmware Tricon Tcm 4352 Firmware Tricon Tcm 4351A Firmware Tricon Tcm 4351B Firmware Tricon Tcm 4352A Firmware Tricon Tcm 4352B Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

CVE Published

Apr 16, 2020 - 19:15 nvd

HIGH 7.5

DescriptionNVD

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.

AnalysisAI

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. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Uncontrolled Resource Consumption (CWE-400), which allows attackers to cause denial of service by exhausting system resources. 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. Affected products include: Schneider-Electric Tricon Tcm 4351 Firmware, Schneider-Electric Tricon Tcm 4352 Firmware, Schneider-Electric Tricon Tcm 4351A Firmware, Schneider-Electric Tricon Tcm 4351B Firmware, Schneider-Electric Tricon Tcm 4352A Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement rate limiting, set resource quotas, validate input sizes, use timeouts.