CVE-2021-37199

highPriorität · verfolgen · 30EPSS 0.011 · 64. PerzentilDEEUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
1.06% (64th) EPSS
CVSS 7.8 · high
Is it mine?
10 products
Prüfe deine Angriffsfläche
Who says so?
5 sources
cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · bewertet 2026-10-27

A vulnerability has been identified in SINUMERIK 808D (All versions), SINUMERIK 828D (All versions < V4.95). Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial-of-service in the device.

01

Behebungen

Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.

Ein Hersteller-Fix ist verfügbar.

  • BehobenSINUMERIK 828Dsiemens_psirt

    Update to V4.95 or later version

  • BehobenSINUMERIK 828Dcisa_csaf_ot

    Update to V4.95 or later version

  • MitigationSINUMERIK 808Dsiemens_psirt

    Restrict access to port 102/tcp to trusted systems e.g. with an external firewall

  • MitigationSINUMERIK 828Dsiemens_psirt

    Restrict access to port 102/tcp to trusted systems e.g. with an external firewall

  • MitigationSINUMERIK 808Dcisa_csaf_ot

    Restrict access to port 102/tcp to trusted systems e.g. with an external firewall

  • MitigationSINUMERIK 828Dcisa_csaf_ot

    Restrict access to port 102/tcp to trusted systems e.g. with an external firewall

  • WorkaroundSINUMERIK 808Dsiemens_psirt

    Apply general workarounds.

  • WorkaroundSINUMERIK 828Dsiemens_psirt

    Apply general workarounds.

  • WorkaroundSINUMERIK 808Dcisa_csaf_ot

    Apply general workarounds.

  • WorkaroundSINUMERIK 828Dcisa_csaf_ot

    Apply general workarounds.

  • Kein Fix verfügbarSINUMERIK 808Dsiemens_psirt

    Currently no remediation is available

  • Kein Fix verfügbarSINUMERIK 808Dcisa_csaf_ot

    Currently no remediation is available

02

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

7.8
010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 6.9–7.8

v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USAusnutzbarkeit 10 · Auswirkung 6.9
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USAusnutzbarkeit 3.9 · Auswirkung 3.6
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:Csecondary · CISA US
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE
v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)
03

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

04

betroffene Produkte (10)

Betroffene Produkte und Versionsbereiche.

05

Advisories (2)

Hersteller- und Ökosystem-Meldungen dazu.

  • SSA-178380SSA-178380: Denial-of-Service Vulnerability in SINUMERIK Controllers2021-10-12csaf · siemens_psirtDE

    A Denial-of-Service vulnerability found in SINUMERIK Controllers could allow an unauthenticated attacker with network access to the affected devices to cause system failure with total loss of availability. Siemens has released an update for the SINUMERIK 828D and recommends to update to the latest version. Siemens recommends specific countermeasures for products where updates are not, or not yet available.

  • ICSA-21-287-04Siemens SINUMERIK2021-10-12icsa · cisa_csaf_otUS

    A Denial-of-Service vulnerability found in SINUMERIK Controllers could allow an unauthenticated attacker with network access to the affected devices to cause system failure with total loss of availability. Siemens has released an update for the SINUMERIK 828D and recommends to update to the latest version. Siemens recommends specific countermeasures for products where updates are not, or not yet available.

06

auch bekannt als (3)

Weitere Namen und Kennungen dieser Entität.

07

quellen

Welche Quellen diesen Datensatz belegen und wann.

veröffentlicht 2021-10-12geändert 2026-06-17
09

Referenzen (7)

Externe Belege — Patches, Meldungen, Analysen.

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