CVE-2021-31228

mediumPriorität · verfolgen · 30OT-Risiko · erhöhtStack-Kampagne · INFRA:HALTEPSS 0.013 · 70. PerzentilEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.27% (70th) EPSS

CVSS 5 · medium

Is it mine?

8 products

Prüfe deine Angriffsfläche

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · bewertet 2026-10-26

An issue was discovered in HCC embedded InterNiche 4.0.1. This vulnerability allows the attacker to predict a DNS query's source port in order to send forged DNS response packets that will be accepted as valid answers to the DNS client's requests (without sniffing the specific request). Data is predictable because it is based on the time of day, and has too few bits.

Behebungen

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

Ein Hersteller-Fix ist verfügbar.

BehobenInterNiche stackcisa_csaf_ot
Additional vendors affected by the reported vulnerabilities have also released security advisories related to their affected products. Those advisories are as follows:
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-022_en.pdf
BehobenNicheLitecisa_csaf_ot
Additional vendors affected by the reported vulnerabilities have also released security advisories related to their affected products. Those advisories are as follows:
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-022_en.pdf

cvss

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

7.5

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 4–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USAusnutzbarkeit 10 · Auswirkung 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USAusnutzbarkeit 3.9 · Auswirkung 3.6

v3.04mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:Nsecondary · CISA US

v3.14mediumAV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-330USprimärCWE-20USCWE-340USCWE-340US

betroffene Produkte (8)

Betroffene Produkte und Versionsbereiche.

InterNiche stack: All versions prior to v4.3alle Versionencisa_csaf_otUS
NicheLite: All versions prior to v4.3alle Versionencisa_csaf_otUS
HCC Embedded InterNiche stack< 4.3cisa_csaf_otUS
HCC Embedded NicheLite< 4.3cisa_csaf_otUS
n/a n/a≤ n/aenisa_euvdEU
HCC Embedded InterNiche≤ 4.3fstec_bduRU
HCC Embedded NicheLite≤ 4.3fstec_bduRU
hcc-embedded nichestack< 4.3nvdUScpe:2.3:a:hcc-embedded:nichestack:*:*:*:*:*:*:*:*

Advisories (1)

Hersteller- und Ökosystem-Meldungen dazu.

ICSA-21-217-01HCC Embedded InterNiche TCP/IP stack, NicheLite (Update B)2021-08-05icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities may result in unauthorized access to arbitrary information, DNS cache poisoning, remote code execution, or a denial-of-service condition.

auch bekannt als (4)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot nvd NVD CVE.org MITRE

veröffentlicht 2021-08-19geändert 2026-06-17

verwandt (573)

Verwandte Einträge.

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+568 weitere

Referenzen (10)

Externe Belege — Patches, Meldungen, Analysen.

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