Paper/Archive/CVE-2021-31889

CVE-2021-31889

Siemens Capital Embedded AR Classic 431-422 — A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versio…

EPSS 2%CVSS 9.1

critical.is priorityof 100

CVSS 9.1 (NVD)9.1 / 10 × 3027.3 Not in CISA KEV+300.0 EPSS percentile 82.3.823 × 2016.5 No public exploit+100.0 SSVC exploitation: unknown+100.0

Description · from the CVE record

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). Malformed TCP packets with a corrupted SACK option leads to Information Leaks and Denial-of-Service conditions. (FSMD-2021-0015)

Affected

ProductAffectedFixed inSource

Capital Embedded AR Classic 431-422all versions–CNA

Capital Embedded AR Classic R20-11< V2303V2303CNA

PLUSCONTROL 1st GenAll versions–CNA

SIMOTICS CONNECT 400All versions < V0.5.0.0–CNA

Scores by source

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

siemens (CNA)7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References