CVE-2021-22792 Details
Description
A CWE-476: NULL Pointer Dereference 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).
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 29, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-222-07 | CVE | Not Applicable |
| https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-222-07 | [email protected] | Not Applicable |
| https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-222-04 | [email protected] | PatchVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-476 | NULL Pointer Dereference | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| schneider-electric modicon m340 bmxp341000 | All versions |
CPE
Remediation
| |
| schneider-electric modicon m340 bmxp342010 | All versions |
CPE
Remediation
| |
| schneider-electric modicon m340 bmxp342020 | All versions |
CPE
Remediation
| |
| schneider-electric modicon m340 bmxp342030 | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmeh582040 | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmeh582040c | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmeh582040s | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmeh584040 | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmeh584040c | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmeh584040s | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmeh586040 | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmeh586040c | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmeh586040s | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmep581020 | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmep581020h | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmep582020 | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmep582020h | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmep582040 | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmep582040h | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmep582040s | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmep583020 | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmep583040 | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmep584020 | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmep584040 | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmep584040s | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmep585040 | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmep585040c | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmep586040 | All versions |
CPE
Remediation
| |
| schneider-electric modicon m580 bmep586040c | All versions |
CPE
Remediation
| |
| schneider-electric modicon mc80 bmkc8020301 | All versions |
CPE
Remediation
| |
| schneider-electric modicon mc80 bmkc8020310 | All versions |
CPE
Remediation
| |
| schneider-electric modicon mc80 bmkc8030311 | All versions |
CPE
Remediation
| |
| schneider-electric modicon momentum 171cbu78090 | All versions |
CPE
Remediation
| |
| schneider-electric modicon momentum 171cbu98090 | All versions |
CPE
Remediation
| |
| schneider-electric modicon momentum 171cbu98091 | All versions |
CPE
Remediation
| |
| schneider-electric modicon premium tsxp57 1634m | All versions |
CPE
Remediation
| |
| schneider-electric modicon premium tsxp57 2634m | All versions |
CPE
Remediation
| |
| schneider-electric modicon premium tsxp57 2834m | All versions |
CPE
Remediation
| |
| schneider-electric modicon premium tsxp57 454m | All versions |
CPE
Remediation
| |
| schneider-electric modicon premium tsxp57 4634m | All versions |
CPE
Remediation
| |
| schneider-electric modicon premium tsxp57 554m | All versions |
CPE
Remediation
| |
| schneider-electric modicon premium tsxp57 5634m | All versions |
CPE
Remediation
| |
| schneider-electric modicon premium tsxp57 6634m | All versions |
CPE
Remediation
| |
| schneider-electric modicon quantum 140cpu65150 | All versions |
CPE
Remediation
| |
| schneider-electric modicon quantum 140cpu65150c | All versions |
CPE
Remediation
| |
| schneider-electric modicon quantum 140cpu65160 | All versions |
CPE
Remediation
| |
| schneider-electric modicon quantum 140cpu65160c | All versions |
CPE
Remediation
| |
| schneider-electric plc simulator for ecostruxure control expert | All versions |
CPE
Remediation
| |
| schneider-electric plc simulator for ecostruxure process expert | All versions |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 29, 2026 | CVE Modified | CISA-ADP |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Sep 13, 2021 | Initial Analysis | [email protected] |