Fiche vulnérabilité
CVE-2021-22792 : faille élevée schneider-electric modicon m340… (CVSS 7.5)
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).
En bref
- Sévérité
- Élevée (CVSS 7.5)
- Vecteur CVSS
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Exploitation active
- Non signalée par la CISA
- Publication
- 2 sept. 2021
- Dernière mise à jour
- 17 juin 2026
Produits concernés
- schneider-electric modicon m340 bmxp341000
- schneider-electric modicon m340 bmxp342010
- schneider-electric modicon m340 bmxp342020
- schneider-electric modicon m340 bmxp342030
- schneider-electric modicon m580 bmeh582040
- schneider-electric modicon m580 bmeh582040c
- schneider-electric modicon m580 bmeh582040s
- schneider-electric modicon m580 bmeh584040
- schneider-electric modicon m580 bmeh584040c
- schneider-electric modicon m580 bmeh584040s
- schneider-electric modicon m580 bmeh586040
- schneider-electric modicon m580 bmeh586040c
- schneider-electric modicon m580 bmeh586040s
- schneider-electric modicon m580 bmep581020
- schneider-electric modicon m580 bmep581020h
- schneider-electric modicon m580 bmep582020
- schneider-electric modicon m580 bmep582020h
- schneider-electric modicon m580 bmep582040
- schneider-electric modicon m580 bmep582040h
- schneider-electric modicon m580 bmep582040s