CVE-2021-372057.5HighCWE-401

CVE-2021-37205: Siemens SIMATIC Drive Controller family vulnerability

Siemens · SIMATIC Drive Controller family

Affected: Siemens SIMATIC Drive Controller family · Exploitation: possible (1 to 10%)

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

1.6%probability of exploitation in the next 30 days

76th percentile

050100

Higher than 76% of scored CVEs

7.5HighCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

A vulnerability has been identified in SIMATIC Drive Controller family (All versions >= V2.9.2 < V2.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions >= V21.9 < V21.9.4), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions >= V4.5.0 < V4.5.2), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions >= V2.9.2 < V2.9.4), SIMATIC S7-1500 Software Controller (All versions >= V21.9 < V21.9.4), SIMATIC S7-PLCSIM Advanced (All versions >= V4.0 < V4.0 SP1), SIPLUS TIM 1531 IRC (All versions < V2.3.6), TIM 1531 IRC (All versions < V2.3.6). An unauthenticated attacker could cause a denial-of-service condition in a PLC when sending specially prepared packets over port 102/tcp. A restart of the affected device is needed to restore normal operations.

Affected products8

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

Siemens · SIMATIC Drive Controller familyAll versions >= V2.9.2 < V2.9.4
Siemens · SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants)All versions >= V21.9 < V21.9.4
Siemens · SIMATIC S7-1200 CPU family (incl. SIPLUS variants)All versions >= V4.5.0 < V4.5.2
Siemens · SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants)All versions >= V2.9.2 < V2.9.4
Siemens · SIMATIC S7-1500 Software ControllerAll versions >= V21.9 < V21.9.4
Siemens · SIMATIC S7-PLCSIM AdvancedAll versions >= V4.0 < V4.0 SP1
Siemens · SIPLUS TIM 1531 IRCAll versions < V2.3.6
Siemens · TIM 1531 IRCAll versions < V2.3.6

On the Atlas

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

Open the Atlas

Exploitation: Possible (1 to 10%). EPSS between 1% and 10%.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Missing Release of Memory after Effective Lifetime · Denial of Service
Vendor: Siemens
Published: February 2022
Band: Possible (1 to 10%), February 2022

CoverageNo articles yet

No CyberSIXT article names CVE-2021-37205 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.