CVE-2021-318897.5HighCWE-191

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

Siemens · Capital Embedded AR Classic 431-422

Vendor fix available · Affected: Siemens Capital Embedded AR Classic 431-422 · Exploitation: possible (1 to 10%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

2.2%probability of exploitation in the next 30 days

82nd percentile

050100

Higher than 82% of scored CVEs

7.5HighCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

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 products4

From the CVE record. A product or version that is not listed is unknown, not unaffected.

Siemens · Capital Embedded AR Classic 431-4220
Siemens · Capital Embedded AR Classic R20-11before V2303
Siemens · PLUSCONTROL 1st GenAll versions
Siemens · SIMOTICS CONNECT 400All versions < V0.5.0.0

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

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Exploitation: Possible (1 to 10%). EPSS between 1% and 10%.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Integer Underflow (Wrap or Wraparound) · Memory Corruption
Vendor: Siemens
Published: November 2021
Band: Possible (1 to 10%), November 2021

CoverageNo articles yet

No CyberSIXT article names CVE-2021-31889 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.