NULL Pointer Dereference in MELSEC-F Series FX3U-ENET firmware version 1.14 and prior, FX3U-ENET-L firmware version 1.14 and prior and FX3U-ENET-P502 firmware version 1.14 and prior allows a remote unauthenticated attacker to cause a DoS condition in communication by sending specially crafted packets. Control by MELSEC-F series PLC is not affected and system reset is required for recovery.
References
| Link | Resource |
|---|---|
| https://jvn.jp/vu/JVNVU94348759/index.html | Patch Third Party Advisory |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-201-01 | Third Party Advisory |
| https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-006_en.pdf | Patch Vendor Advisory |
| https://jvn.jp/vu/JVNVU94348759/index.html | Patch Third Party Advisory |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-201-01 | Third Party Advisory |
| https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-006_en.pdf | Patch Vendor Advisory |
Configurations
Configuration 1 (hide)
|
History
21 Nov 2024, 05:46
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://jvn.jp/vu/JVNVU94348759/index.html - Patch, Third Party Advisory | |
| References | () https://us-cert.cisa.gov/ics/advisories/icsa-21-201-01 - Third Party Advisory | |
| References | () https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-006_en.pdf - Patch, Vendor Advisory |
Information
Published : 2021-07-22 12:15
Updated : 2024-11-21 05:46
NVD link : CVE-2021-20596
Mitre link : CVE-2021-20596
CVE.ORG link : CVE-2021-20596
JSON object : View
Products Affected
mitsubishielectric
- fx3u-enet-p502_firmware
- fx3u-enet_firmware
- fx3u-enet-l_firmware
CWE
CWE-476
NULL Pointer Dereference