CVE-2020-5668

highPriorität · verfolgen · 32EPSS 0.049 · 92. PerzentilEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

4.93% (92nd) EPSS

CVSS 7.8 · high

Is it mine?

53 products

Prüfe deine Angriffsfläche

Who says so?

3 sources

cnnvd · enisa_euvd · cisa_csaf_ot

EPSS · bewertet 2026-10-27

Uncontrolled resource consumption vulnerability in MELSEC iQ-R Series modules (R00/01/02CPU firmware version '19' and earlier, R04/08/16/32/120 (EN) CPU firmware version '51' and earlier, R08/16/32/120SFCPU firmware version '22' and earlier, R08/16/32/120PCPU firmware version '25' and earlier, R08/16/32/120PSFCPU firmware version '06' and earlier, RJ71EN71 firmware version '47' and earlier, RJ71GF11-T2 firmware version '47' and earlier, RJ72GF15-T2 firmware version '07' and earlier, RJ71GP21-SX firmware version '47' and earlier, RJ71GP21S-SX firmware version '47' and earlier, and RJ71GN11-T2 firmware version '11' and earlier) allows a remote unauthenticated attacker to cause an error in a CPU unit and cause a denial-of-service (DoS) condition in execution of the program and its communication, or to cause a denial-of-service (DoS) condition in communication via the unit by receiving a specially crafted SLMP packet

Behebungen

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

Ein Hersteller-Fix ist verfügbar.

BehobenR00/01/02CPUcisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R08/16/32/120PCPU: firmware Versions 26 or later
BehobenR04/08/16/32/120(EN)CPUcisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R08/16/32/120PCPU: firmware Versions 26 or later
BehobenR08/16/32/120PCPUcisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R08/16/32/120PCPU: firmware Versions 26 or later
BehobenR08/16/32/120PSFCPUcisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R08/16/32/120PCPU: firmware Versions 26 or later
BehobenR08/16/32/120SFCPUcisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R08/16/32/120PCPU: firmware Versions 26 or later
BehobenRJ71C24(-R2/R4)cisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R08/16/32/120PCPU: firmware Versions 26 or later
BehobenRJ71EN71cisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R08/16/32/120PCPU: firmware Versions 26 or later
BehobenRJ71GF11-T2cisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R08/16/32/120PCPU: firmware Versions 26 or later
BehobenRJ71GN11-T2cisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R08/16/32/120PCPU: firmware Versions 26 or later
BehobenRJ71GP21-SXcisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R08/16/32/120PCPU: firmware Versions 26 or later
BehobenRJ71GP21S-SXcisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R08/16/32/120PCPU: firmware Versions 26 or later
BehobenRJ72GF15-T2cisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R08/16/32/120PCPU: firmware Versions 26 or later
MitigationR00/01/02CPUcisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R00/01/02CPU: firmware Versions 20 or later
MitigationR04/08/16/32/120(EN)CPUcisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R00/01/02CPU: firmware Versions 20 or later
MitigationR08/16/32/120PCPUcisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R00/01/02CPU: firmware Versions 20 or later
MitigationR08/16/32/120PSFCPUcisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R00/01/02CPU: firmware Versions 20 or later
MitigationR08/16/32/120SFCPUcisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R00/01/02CPU: firmware Versions 20 or later
MitigationRJ71C24(-R2/R4)cisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R00/01/02CPU: firmware Versions 20 or later
MitigationRJ71EN71cisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R00/01/02CPU: firmware Versions 20 or later
MitigationRJ71GF11-T2cisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R00/01/02CPU: firmware Versions 20 or later
MitigationRJ71GN11-T2cisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R00/01/02CPU: firmware Versions 20 or later
MitigationRJ71GP21-SXcisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R00/01/02CPU: firmware Versions 20 or later
MitigationRJ71GP21S-SXcisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R00/01/02CPU: firmware Versions 20 or later
MitigationRJ72GF15-T2cisa_csaf_ot
Mitsubishi Electric has issued the following iQ-R Series firmware versions to address this issue: R00/01/02CPU: firmware Versions 20 or later

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

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · CISA US

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)

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-400USprimärCWE-400US

betroffene Produkte (53)

Betroffene Produkte und Versionsbereiche.

R00/01/02CPU: firmware Versions 19 and earlieralle Versionencisa_csaf_otUS
R04/08/16/32/120(EN)CPU: firmware Versions 51 and earlieralle Versionencisa_csaf_otUS
R08/16/32/120PCPU: firmware Versions 25 and earlieralle Versionencisa_csaf_otUS
R08/16/32/120PSFCPU: firmware Versions 06 and earlieralle Versionencisa_csaf_otUS
R08/16/32/120SFCPU: firmware Versions 22 and earlieralle Versionencisa_csaf_otUS
RJ71C24(-R2/R4): all versionsalle Versionencisa_csaf_otUS
RJ71EN71: firmware Versions 47 and earlieralle Versionencisa_csaf_otUS
RJ71GF11-T2: firmware Versions 47 and earlieralle Versionencisa_csaf_otUS
RJ71GN11-T2: firmware Versions 11 and earlieralle Versionencisa_csaf_otUS
RJ71GP21-SX: firmware Versions 47 and earlieralle Versionencisa_csaf_otUS
RJ71GP21S-SX: firmware Versions 47 and earlieralle Versionencisa_csaf_otUS
RJ72GF15-T2: firmware Versions 07 and earlieralle Versionencisa_csaf_otUS
Mitsubishi Electric R00/01/02CPU≤ 19cisa_csaf_otUS
Mitsubishi Electric R04/08/16/32/120(EN)CPU≤ 51cisa_csaf_otUS
Mitsubishi Electric R08/16/32/120PCPU≤ 25cisa_csaf_otUS
Mitsubishi Electric R08/16/32/120PSFCPU≤ 06cisa_csaf_otUS
Mitsubishi Electric R08/16/32/120SFCPU≤ 22cisa_csaf_otUS
Mitsubishi Electric RJ71C24(-R2/R4)alle Versionencisa_csaf_otUS
Mitsubishi Electric RJ71EN71≤ 47cisa_csaf_otUS
Mitsubishi Electric RJ71GF11-T2≤ 47cisa_csaf_otUS

20 von 53 angezeigt

Advisories (1)

Hersteller- und Ökosystem-Meldungen dazu.

ICSA-20-324-05Mitsubishi Electric MELSEC iQ-R Series (Update C)2020-11-19icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could cause a denial-of-service condition for the affected product.

auch bekannt als (3)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd cisa_csaf_ot NVD CVE.org MITRE

veröffentlicht 2020-11-20geändert 2026-06-17

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Referenzen (14)

Externe Belege — Patches, Meldungen, Analysen.

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