Siemens Nucleus NET

CVE-2021-27393
MEDIUM 5.3

En bref

Source
NVD
EPSS
EPSS 0.75 % · centile 55 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
siemens
Statut NVD
Modified

Description

A vulnerability has been identified in Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2013.08), Nucleus Source Code (Versions including affected DNS modules). The DNS client does not properly randomize UDP port numbers of DNS requests. That could allow an attacker to poison the DNS cache or spoof DNS resolving.

Faiblesses (CWE)

  • CWE-330 — Utilisation de valeurs insuffisamment aléatoires

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1MEDIUM 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NNVD · nvd@nist.gov (Primary)
CVSS 2.0MEDIUM 5.0AV:N/AC:L/Au:N/C:N/I:P/A:NNVD · nvd@nist.gov (Primary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Siemens · Nucleus NETaffected All versions
Siemens · Nucleus ReadyStart V3affected All versions < V2013.08
Siemens · Nucleus Source Codeaffected Versions including affected DNS modules

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