CVE-2021-22791
First published: Thu Sep 02 2021(Updated: )
A CWE-787: Out-of-bounds Write vulnerability that could cause a Denial of Service on the Modicon PLC controller / simulator when updating the controller application with a specially crafted project file exists in Modicon M580 CPU (part numbers BMEP* and BMEH*, all versions), Modicon M340 CPU (part numbers BMXP34*, all versions), Modicon MC80 (part numbers BMKC80*, all versions), Modicon Momentum Ethernet CPU (part numbers 171CBU*, all versions), PLC Simulator for EcoStruxureª Control Expert, including all Unity Pro versions (former name of EcoStruxureª Control Expert, all versions), PLC Simulator for EcoStruxureª Process Expert including all HDCS versions (former name of EcoStruxureª Process Expert, all versions), Modicon Quantum CPU (part numbers 140CPU*, all versions), Modicon Premium CPU (part numbers TSXP5*, all versions).
Credit: cybersecurity@se.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Schneider Electric Modicon M340 BMXP341000 | ||
| Schneider Electric Modicon M340 BMXP342010 Firmware | ||
| Schneider Electric Modicon M340 BMXP342020 | ||
| Schneider Electric Modicon M340 BMXP342030H | ||
| schneider-electric Modicon M580 | ||
| Modicon M580 | ||
| schneider-electric Modicon M580 | ||
| schneider-electric Modicon M580 bmeh584040c | ||
| schneider-electric Modicon M580 bmeh584040c firmware | ||
| Schneider Electric Modicon M580 BMEH584040S Firmware | ||
| Schneider Electric Modicon M580 | ||
| Schneider Electric Modicon M580 | ||
| Schneider Electric Modicon M580 | ||
| Schneider Electric Modicon M580 BMEP581020 | ||
| schneider-electric Modicon M580 BMEP581020H firmware | ||
| Modicon M580 | ||
| Modicon M580 | ||
| schneider-electric Modicon M580 | ||
| schneider-electric Modicon M580 | ||
| Schneider Electric Modicon M580 BMEP582040S | ||
| Schneider Electric Modicon M580 BMEP583020 | ||
| Schneider Electric Modicon M580 BMEP583040 | ||
| Schneider Electric Modicon M580 BMEP584020 Firmware | ||
| Schneider Electric Modicon M580 BMEP584040 Firmware | ||
| Schneider Electric Modicon M580 BMEP584040S Firmware | ||
| schneider-electric Modicon M580 BMEP585040C Firmware | ||
| schneider-electric Modicon M580 BMEP585040C Firmware | ||
| schneider-electric modicon m580 bmep586040 firmware | ||
| schneider-electric Modicon M580 bmep586040c firmware | ||
| schneider-electric modicon mc80 bmkc8020301 firmware | ||
| Modicon MC80 Firmware | ||
| Schneider Electric Modicon MC80 | ||
| Schneider Electric Modicon Momentum 171CBU78090 | ||
| Schneider Electric Modicon Momentum 171CBU98090 | ||
| Schneider Electric Modicon Momentum 171CBU98091 Firmware | ||
| schneider-electric Modicon Premium TSXP57 1634m firmware | ||
| Schneider Electric Modicon Premium | ||
| schneider-electric Modicon Premium TSXP57 2834m firmware | ||
| schneider-electric Modicon Premium TSXP57 454m firmware | ||
| schneider-electric Modicon Premium TSXP57 4634m firmware | ||
| schneider-electric Modicon Premium TSXP57 554m firmware | ||
| schneider-electric Modicon Premium TSXP57 5634m firmware | ||
| Schneider Electric Modicon Premium | ||
| schneider-electric Modicon Quantum 140cpu65150 firmware | ||
| schneider-electric Modicon Quantum 140cpu65150c firmware | ||
| schneider-electric Modicon Quantum 140cpu65160c | ||
| Schneider Electric Modicon Quantum 140CPU65160C Firmware | ||
| EcoStruxure Control Expert | ||
| Schneider Electric EcoStruxure Process Expert |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID of this security issue?
The vulnerability ID is CVE-2021-22791.
What is the severity level of CVE-2021-22791?
The severity level of CVE-2021-22791 is medium with a CVSS score of 6.5.
Which software or devices are affected by CVE-2021-22791?
The Modicon M340 CPU (part numbers BMEP*) and Modicon M580 CPU (part numbers BMEP* and BMEH*) are affected by CVE-2021-22791.
How does CVE-2021-22791 impact the affected software or devices?
CVE-2021-22791 is an out-of-bounds write vulnerability that could cause a Denial of Service on the Modicon PLC controller / simulator when updating the controller application with a specially crafted project file.
How can I find more information about CVE-2021-22791?
You can find more information about CVE-2021-22791 at the following references: [SEVD-2021-222-04](https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-222-04) and [SEVD-2021-222-06](https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-222-06).
- agent/references
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/weakness
- agent/remedy
- agent/last-modified-date
- agent/severity
- agent/type
- agent/first-publish-date
- agent/event
- agent/description
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/schneider-electric
- canonical/schneider electric modicon m340 bmxp341000
- canonical/schneider electric modicon m340 bmxp342010 firmware
- canonical/schneider electric modicon m340 bmxp342020
- canonical/schneider electric modicon m340 bmxp342030h
- canonical/schneider-electric modicon m580
- canonical/modicon m580
- canonical/schneider-electric modicon m580 bmeh584040c
- canonical/schneider-electric modicon m580 bmeh584040c firmware
- canonical/schneider electric modicon m580 bmeh584040s firmware
- canonical/schneider electric modicon m580
- canonical/schneider electric modicon m580 bmep581020
- canonical/schneider-electric modicon m580 bmep581020h firmware
- canonical/schneider electric modicon m580 bmep582040s
- canonical/schneider electric modicon m580 bmep583020
- canonical/schneider electric modicon m580 bmep583040
- canonical/schneider electric modicon m580 bmep584020 firmware
- canonical/schneider electric modicon m580 bmep584040 firmware
- canonical/schneider electric modicon m580 bmep584040s firmware
- canonical/schneider-electric modicon m580 bmep585040c firmware
- canonical/schneider-electric modicon m580 bmep586040 firmware
- canonical/schneider-electric modicon m580 bmep586040c firmware
- canonical/schneider-electric modicon mc80 bmkc8020301 firmware
- canonical/modicon mc80 firmware
- canonical/schneider electric modicon mc80
- canonical/schneider electric modicon momentum 171cbu78090
- canonical/schneider electric modicon momentum 171cbu98090
- canonical/schneider electric modicon momentum 171cbu98091 firmware
- canonical/schneider-electric modicon premium tsxp57 1634m firmware
- canonical/schneider electric modicon premium
- canonical/schneider-electric modicon premium tsxp57 2834m firmware
- canonical/schneider-electric modicon premium tsxp57 454m firmware
- canonical/schneider-electric modicon premium tsxp57 4634m firmware
- canonical/schneider-electric modicon premium tsxp57 554m firmware
- canonical/schneider-electric modicon premium tsxp57 5634m firmware
- canonical/schneider-electric modicon quantum 140cpu65150 firmware
- canonical/schneider-electric modicon quantum 140cpu65150c firmware
- canonical/schneider-electric modicon quantum 140cpu65160c
- canonical/schneider electric modicon quantum 140cpu65160c firmware
- canonical/ecostruxure control expert
- canonical/schneider electric ecostruxure process expert