CVEvulnerability
CVE-2021-22788
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-02-11
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-787
Description
A CWE-787: Out-of-bounds Write vulnerability exists that could cause denial of service when an attacker sends a specially crafted HTTP request to the web server of the device. Affected Product: Modicon M340 CPUs: BMXP34 (Versions prior to V3.40), Modicon M340 X80 Ethernet Communication Modules: BMXNOE0100 (H), BMXNOE0110 (H), BMXNOC0401, BMXNOR0200H RTU (All Versions), Modicon Premium Processors with integrated Ethernet (Copro): TSXP574634, TSXP575634, TSXP576634 (All Versions), Modicon Quantum Processors with Integrated Ethernet (Copro): 140CPU65xxxxx (All Versions), Modicon Quantum Communication Modules: 140NOE771x1, 140NOC78x00, 140NOC77101 (All Versions), Modicon Premium Communication Modules: TSXETY4103, TSXETY5103 (All Versions)
Affected configurations
• schneider-electric modicon m340 bmxp342020 firmware (< 3.40)
• schneider-electric bmxnoe0100 firmware
• schneider-electric bmxnoe0110 firmware
• schneider-electric bmxnoc0401 firmware
• schneider-electric bmxnor0200h rtu firmware
• schneider-electric tsxp574634 firmware
• schneider-electric tsxp575634 firmware
• schneider-electric tsxp576634 firmware
• schneider-electric 140cpu65150 firmware
• schneider-electric 140noe771x1 firmware
• schneider-electric 140noc78x00 firmware
• schneider-electric 140noc77101 firmware
• schneider-electric tsxety4103 firmware
• schneider-electric tsxety5103 firmware
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-257-02 Patch, Vendor Advisory
- https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-257-02 Patch, Vendor Advisory