Siemens LOGO! CMR2020

CVE-2021-37186
MEDIUM 5.4

En bref

Source
NVD
EPSS
EPSS 0.36 % · centile 29 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
siemens
Statut NVD
Modified

Description

A vulnerability has been identified in LOGO! CMR2020 (All versions < V2.2), LOGO! CMR2040 (All versions < V2.2), SIMATIC RTU3010C (All versions < V4.0.9), SIMATIC RTU3030C (All versions < V4.0.9), SIMATIC RTU3031C (All versions < V4.0.9), SIMATIC RTU3041C (All versions < V4.0.9). The underlying TCP/IP stack does not properly calculate the random numbers used as ISN (Initial Sequence Numbers). An adjacent attacker with network access to the LAN interface could interfere with traffic, spoof the connection and gain access to sensitive information.

Faiblesses (CWE)

  • CWE-330 — Utilisation de valeurs insuffisamment aléatoires

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1MEDIUM 5.4CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NNVD · nvd@nist.gov (Primary)
CVSS 2.0MEDIUM 4.8AV:A/AC:L/Au:N/C:P/I:P/A:NNVD · nvd@nist.gov (Primary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Siemens · LOGO! CMR2020affected All versions < V2.2
Siemens · LOGO! CMR2040affected All versions < V2.2
Siemens · SIMATIC RTU3010Caffected All versions < V4.0.9
Siemens · SIMATIC RTU3030Caffected All versions < V4.0.9
Siemens · SIMATIC RTU3031Caffected All versions < V4.0.9
Siemens · SIMATIC RTU3041Caffected All versions < V4.0.9

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD