AUGUST 4, 2026
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Case File

CVE-2021-31346

HIGH · CVSS 8.2 EPSS 1.90%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-11-09 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.2. It may lead to a denial-of-service condition.

CVE
CVE-2021-31346
Severity
HIGH
CVSS
8.2
EPSS
1.90%

Original NVD Description

A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), PLUSCONTROL 1st Gen (All versions), SIMOTICS CONNECT 400 (All versions < V0.5.0.0), SIMOTICS CONNECT 400 (All versions < V1.0.0.0). The total length of an ICMP payload (set in the IP header) is unchecked. This may lead to various side effects, including Information Leak and Denial-of-Service conditions, depending on the network buffer organization in memory. (FSMD-2021-0007)

Related CVEs

Other vulnerabilities affecting the same vendor(s)