AUGUST 4, 2026
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Case File

CVE-2021-31883

HIGH · CVSS 7.1 EPSS 1.48%

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 7.1. It may lead to a denial-of-service condition.

CVE
CVE-2021-31883
Severity
HIGH
CVSS
7.1
EPSS
1.48%

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). When processing a DHCP ACK message, the DHCP client application does not validate the length of the Vendor option(s), leading to Denial-of-Service conditions. (FSMD-2021-0013)

Related CVEs

Other vulnerabilities affecting the same vendor(s)