VULNERABILITY INTELLIGENCE
CVE-2021-31344
CVSS score5.3 MEDIUM
EPSS probability1.46%
CISA KEVNot currently listed
Published2021-11-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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). ICMP echo packets with fake IP options allow sending ICMP echo reply messages to arbitrary hosts on the network. (FSMD-2021-0004)
Weakness classification
- productcert@siemens.com: CWE-843
Primary references
- productcert@siemens.com
- productcert@siemens.com
- productcert@siemens.com
- productcert@siemens.com
- productcert@siemens.com
- productcert@siemens.com — Vendor Advisory
- productcert@siemens.com — Vendor Advisory
- productcert@siemens.com
- productcert@siemens.com
- productcert@siemens.com
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory