CVE-2021-20594

mediumPriorität · verfolgen · 31EPSS 0.024 · 84. PerzentilEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.37% (84th) EPSS

CVSS 5 · medium

Is it mine?

34 products

Prüfe deine Angriffsfläche

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · bewertet 2026-10-27

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU firmware versions "26" and prior and Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU firmware versions "11" and prior allows a remote unauthenticated attacker to acquire legitimate user names registered in the module via brute-force attack on user names.

Behebungen

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

Noch kein Hersteller-Fix; eine Mitigation ist verfügbar.

MitigationMELSEC iQ-R series SIL2 Process CPU R08PSFCPU Firmwarecisa_csaf_ot
MELSEC iQ-R series SIL2 Process CPU R08/16/32/120PSFCPU:Firmware versions "12" or later
MitigationMELSEC iQ-R series SIL2 Process CPU R120PSFCPU Firmwarecisa_csaf_ot
MELSEC iQ-R series SIL2 Process CPU R08/16/32/120PSFCPU:Firmware versions "12" or later
MitigationMELSEC iQ-R series SIL2 Process CPU R16PSFCPU Firmwarecisa_csaf_ot
MELSEC iQ-R series SIL2 Process CPU R08/16/32/120PSFCPU:Firmware versions "12" or later
MitigationMELSEC iQ-R series SIL2 Process CPU R32PSFCPU Firmwarecisa_csaf_ot
MELSEC iQ-R series SIL2 Process CPU R08/16/32/120PSFCPU:Firmware versions "12" or later
MitigationMELSEC iQ-R series Safety CPU R08SFCPU Firmwarecisa_csaf_ot
MELSEC iQ-R series SIL2 Process CPU R08/16/32/120PSFCPU:Firmware versions "12" or later
MitigationMELSEC iQ-R series Safety CPU R120SFCPU Firmwarecisa_csaf_ot
MELSEC iQ-R series SIL2 Process CPU R08/16/32/120PSFCPU:Firmware versions "12" or later
MitigationMELSEC iQ-R series Safety CPU R16SFCPU Firmwarecisa_csaf_ot
MELSEC iQ-R series SIL2 Process CPU R08/16/32/120PSFCPU:Firmware versions "12" or later
MitigationMELSEC iQ-R series Safety CPU R32SFCPU Firmwarecisa_csaf_ot
MELSEC iQ-R series SIL2 Process CPU R08/16/32/120PSFCPU:Firmware versions "12" or later

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 · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/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:H/I:N/A:Nprimary · NVD / NIST USAusnutzbarkeit 3.9 · Auswirkung 3.6

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · CISA US

v3.15.9mediumAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

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

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-200USprimärCWE-200USCWE-200US

betroffene Produkte (34)

Betroffene Produkte und Versionsbereiche.

Mitsubishi Electric Corporation MELSEC iQ-R series SIL2 Process CPU R08PSFCPU Firmware: <=11alle Versionencisa_csaf_otUS
Mitsubishi Electric Corporation MELSEC iQ-R series SIL2 Process CPU R120PSFCPU Firmware: <=11alle Versionencisa_csaf_otUS
Mitsubishi Electric Corporation MELSEC iQ-R series SIL2 Process CPU R16PSFCPU Firmware: <=11alle Versionencisa_csaf_otUS
Mitsubishi Electric Corporation MELSEC iQ-R series SIL2 Process CPU R32PSFCPU Firmware: <=11alle Versionencisa_csaf_otUS
Mitsubishi Electric Corporation MELSEC iQ-R series Safety CPU R08SFCPU Firmware: <=26alle Versionencisa_csaf_otUS
Mitsubishi Electric Corporation MELSEC iQ-R series Safety CPU R120SFCPU Firmware: <=26alle Versionencisa_csaf_otUS
Mitsubishi Electric Corporation MELSEC iQ-R series Safety CPU R16SFCPU Firmware: <=26alle Versionencisa_csaf_otUS
Mitsubishi Electric Corporation MELSEC iQ-R series Safety CPU R32SFCPU Firmware: <=26alle Versionencisa_csaf_otUS
Mitsubishi Electric Corporation MELSEC iQ-R series SIL2 Process CPU R08PSFCPU Firmware≤ 11cisa_csaf_otUS
Mitsubishi Electric Corporation MELSEC iQ-R series SIL2 Process CPU R120PSFCPU Firmware≤ 11cisa_csaf_otUS
Mitsubishi Electric Corporation MELSEC iQ-R series SIL2 Process CPU R16PSFCPU Firmware≤ 11cisa_csaf_otUS
Mitsubishi Electric Corporation MELSEC iQ-R series SIL2 Process CPU R32PSFCPU Firmware≤ 11cisa_csaf_otUS
Mitsubishi Electric Corporation MELSEC iQ-R series Safety CPU R08SFCPU Firmware≤ 26cisa_csaf_otUS
Mitsubishi Electric Corporation MELSEC iQ-R series Safety CPU R120SFCPU Firmware≤ 26cisa_csaf_otUS
Mitsubishi Electric Corporation MELSEC iQ-R series Safety CPU R16SFCPU Firmware≤ 26cisa_csaf_otUS
Mitsubishi Electric Corporation MELSEC iQ-R series Safety CPU R32SFCPU Firmware≤ 26cisa_csaf_otUS
n/a Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU; Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU≤ Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU firmware versions "26" and priorenisa_euvdEU
n/a Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU; Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU≤ Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU firmware versions "11" and priorenisa_euvdEU
Mitsubishi Electric Corporation MELSEC iQ-R Series SIL2 Process CPU R08PSFCPU≤ 11fstec_bduRU
Mitsubishi Electric Corporation MELSEC iQ-R Series SIL2 Process CPU R120PSFCPU≤ 11fstec_bduRU

20 von 34 angezeigt

Advisories (1)

Hersteller- und Ökosystem-Meldungen dazu.

ICSA-21-250-01Mitsubishi Electric MELSEC iQ-R Series2021-09-07icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could allow a remote attacker unauthorized access to legitimate usernames, CPU module access, or the ability to deny access to legitimate users.

auch bekannt als (5)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot NVD CVE.org MITRE

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

verwandt (19,397)

Verwandte Einträge.

ID	Schweregrad	EPSS	ausnutzbar	veröffentlicht
CVE-2026-20133US	high7.5OT kritisch	31.5% (98th)	KEV	2026-02-25
A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system. This vulnerability is due…
CVE-2026-20128US	—OT kritisch	7.32% (94th)	KEV	2026-02-25
A vulnerability in the Data Collection Agent (DCA) feature of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to gain DCA user privileges on an affect…
CVE-2026-20122US	medium5.4OT kritisch	25.8% (98th)	KEV	2026-02-25
A vulnerability in the API of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to overwrite arbitrary files on the local file system. To exploit this vul…
CVE-2025-68686US	—OT kritisch	29.5% (98th)	KEV	2026-02-10
An Exposure of Sensitive Information to an Unauthorized Actor vulnerability [CWE-200] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.1, FortiOS 7.4.0 through 7.4.6, FortiOS 7.…
CVE-2026-20805US	—OT kritisch	7.46% (94th)	KEV	2026-01-13
Exposure of sensitive information to an unauthorized actor in Desktop Windows Manager allows an authorized attacker to disclose information locally.

+19392 weitere

Referenzen (12)

Externe Belege — Patches, Meldungen, Analysen.

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