CVE-2020-6990

highPriorität · verfolgen · 41OT-Risiko · erhöhtEPSS 0.044 · 91. PerzentilEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

4.37% (91st) EPSS

CVSS 10 · high

Is it mine?

17 products

Prüfe deine Angriffsfläche

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · bewertet 2026-10-27

Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Software v12.001 and prior, The cryptographic key utilized to help protect the account password is hard coded into the RSLogix 500 binary file. An attacker could identify cryptographic keys and use it for further cryptographic attacks that could ultimately lead to a remote attacker gaining unauthorized access to the controller.

Behebungen

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

Noch kein Hersteller-Fix; eine Mitigation ist verfügbar.

MitigationMicroLogix 1100 Controllercisa_csaf_ot
Rockwell Automation reports that there are currently no mitigations for MicroLogix 1400 series A controllers or MicroLogix 1100 controllers.
MitigationRSLogix 500 Softwarecisa_csaf_ot
Rockwell Automation reports that there are currently no mitigations for MicroLogix 1400 series A controllers or MicroLogix 1100 controllers.
MitigationSeries Acisa_csaf_ot
Rockwell Automation reports that there are currently no mitigations for MicroLogix 1400 series A controllers or MicroLogix 1100 controllers.
MitigationSeries Bcisa_csaf_ot
Rockwell Automation reports that there are currently no mitigations for MicroLogix 1400 series A controllers or MicroLogix 1100 controllers.

cvss

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

10.0

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · high–critical · 9–10

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USAusnutzbarkeit 10 · Auswirkung 10

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USAusnutzbarkeit 3.9 · Auswirkung 5.9

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HsecondaryAusnutzbarkeit 3.9 · Auswirkung 5.9

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

SSVC

Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-798USprimärCWE-321USCWE-321USCWE-321US

betroffene Produkte (17)

Betroffene Produkte und Versionsbereiche.

MicroLogix 1100 Controller: all versionsalle Versionencisa_csaf_otUS
RSLogix 500 Software: v12.001 and prioralle Versionencisa_csaf_otUS
Series A: all versionsalle Versionencisa_csaf_otUS
Series B: v21.001 and prioralle Versionencisa_csaf_otUS
Rockwell Automation MicroLogix 1100 Controlleralle Versionencisa_csaf_otUS
Rockwell Automation RSLogix 500 Software≤ 12.001cisa_csaf_otUS
Rockwell Automation Series Aalle Versionencisa_csaf_otUS
Rockwell Automation Series B≤ 21.001cisa_csaf_otUS
n/a Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Software v12.001 and prior≤ Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Software v12.001 and priorenisa_euvdEU
Rockwell Automation Inc. Allen Bradley MicroLogix 1100alle Versionenfstec_bduRU
Rockwell Automation Inc. Allen Bradley MicroLogix 1400 Series Aalle Versionenfstec_bduRU
Rockwell Automation Inc. Allen Bradley MicroLogix 1400 Series B≤ 21.002fstec_bduRU
Rockwell Automation Inc. RSLogix 500≤ 12.001fstec_bduRU
rockwellautomation micrologix 1100 firmwarealle VersionennvdUScpe:2.3:o:rockwellautomation:micrologix_1100_firmware:*:*:*:*:*:*:*:*
rockwellautomation micrologix 1400 a firmwarealle VersionennvdUScpe:2.3:o:rockwellautomation:micrologix_1400_a_firmware:*:*:*:*:*:*:*:*
rockwellautomation micrologix 1400 b firmware≤ 21.001nvdUScpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware:*:*:*:*:*:*:*:*
rockwellautomation rslogix 500≤ 12.001nvdUScpe:2.3:a:rockwellautomation:rslogix_500:*:*:*:*:*:*:*:*

Advisories (1)

Hersteller- und Ökosystem-Meldungen dazu.

ICSA-20-070-06Rockwell Automation MicroLogix Controllers and RSLogix 500 Software2020-03-10icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could allow an attacker to gain access to sensitive project file information including passwords.

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 NVD CVE.org MITRE

veröffentlicht 2020-03-16geändert 2026-06-17

verwandt (2,281)

Verwandte Einträge.

ID	Schweregrad	EPSS	ausnutzbar	veröffentlicht
CVE-2026-22769US	critical10.0OT kritisch	13.5% (96th)	KEV	2026-02-17
Dell RecoverPoint for Virtual Machines, versions prior to 6.0.3.1 HF1, contain a hardcoded credential vulnerability. This is considered critical as an unauthenticated remote attack…
CVE-2025-14611US	critical9.8OT kritisch	53.3% (99th)	KEV	2025-12-12
Gladinet CentreStack and Triofox prior to version 16.12.10420.56791 used hardcoded values for their implementation of the AES cryptoscheme. This degrades security for public expose…
CVE-2025-30406US	critical9.8OT kritisch	94.3% (100th)	KEV	2025-04-03
Gladinet CentreStack through 16.1.10296.56315 (fixed in 16.4.10315.56368) has a deserialization vulnerability due to the CentreStack portal's hardcoded machineKey use, as exploited…
CVE-2024-20439US	critical9.8OT kritisch	97.1% (100th)	KEV	2024-09-04
A vulnerability in Cisco Smart Licensing Utility (CSLU) could allow an unauthenticated, remote attacker to log into an affected system by using a static administrative credential.…
CVE-2024-28987US	critical9.1OT kritisch	93.3% (100th)	KEV	2024-08-21
The SolarWinds Web Help Desk (WHD) software is affected by a hardcoded credential vulnerability, allowing remote unauthenticated user to access internal functionality and modify da…

+2276 weitere

Referenzen (6)

Externe Belege — Patches, Meldungen, Analysen.

http://www.nsfocus.net/vulndb/46115 cnnvd
https://nvd.nist.gov/vuln/detail/CVE-2020-6990 cnnvd
https://www.rockwellautomation.com/Patchcnnvd
https://www.us-cert.gov/ics/advisories/icsa-20-070-06 cnnvd
https://www.us-cert.gov/ics/advisories/icsa-20-070-06 enisa_euvd
https://www.us-cert.gov/ics/advisories/icsa-20-070-06Third Party AdvisoryUS Government Resourcenvd

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