CVE-2021-31889highCWE-191

CVE-2021-31889: high-severity vulnerability in Siemens Capital Embedded AR Classic 431-422

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.5epss 2.2%
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)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Siemens · Capital Embedded AR Classic 431-422Siemens · Capital Embedded AR Classic R20-11Siemens · PLUSCONTROL 1st GenSiemens · SIMOTICS CONNECT 400
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