VULNERABILITY INTELLIGENCE

CVE-2021-31881

CVSS score7.1 HIGH
EPSS probability1.53%
CISA KEVNot currently listed
Published2021-11-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

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 OFFER message, the DHCP client application does not validate the length of the Vendor option(s), leading to Denial-of-Service conditions. (FSMD-2021-0008)

Weakness classification

  • productcert@siemens.com: CWE-125
  • nvd@nist.gov: CWE-125

Primary references