CVE-2021-31894

HIGH

8.8

Descricao

A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.X (All versions < V9.1 SP2), SIMATIC PDM (All versions < V9.2 SP2), SIMATIC STEP 7 V5.X (All versions < V5.7), SINAMICS STARTER (containing STEP 7 OEM version) (All versions < V5.4 SP2 HF1). A directory containing metafiles relevant to devices' configurations has write permissions. An attacker could leverage this vulnerability by changing the content of certain metafiles and subsequently manipulate parameters or behavior of devices that would be later configured by the affected software.

Detalhes CVE

Pontuacao CVSS v3.18.8

SeveridadeHIGH

Vetor CVSSCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Vetor de ataqueLOCAL

ComplexidadeLOW

Privilegios necessariosLOW

Interacao do usuarioNONE

Publicado7/13/2021

Ultima modificacao11/21/2024

Fontenvd

Avistamentos honeypot0

Produtos afetados

siemens:simatic_pcs_7siemens:simatic_pcs_7_firmwaresiemens:simatic_pdmsiemens:simatic_pdm_firmwaresiemens:simatic_step_7siemens:simatic_step_7_firmwaresiemens:sinamics_startersiemens:sinamics_starter_firmware

Fraquezas (CWE)

CWE-732

Referencias

https://cert-portal.siemens.com/productcert/pdf/ssa-661034.pdf(productcert@siemens.com)

https://cert-portal.siemens.com/productcert/pdf/ssa-661034.pdf(af854a3a-2127-422b-91ae-364da2661108)

Correlacoes IOC

Sem correlacoes registradas

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