CVE-2021-20596
N/A
N/A
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | MELSEC-F Series FX3U-ENET; FX3U-ENET-L; FX3U-ENET-P502 | Firmware version 1.14 and prior | affected |
Weaknesses
- NULL Pointer Dereference
ADP Enrichment
CVE Program Container
Additional References
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-006_en.pdf
- https://jvn.jp/vu/JVNVU94348759/index.html
- https://us-cert.cisa.gov/ics/advisories/icsa-21-201-01
References
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-006_en.pdf
- https://jvn.jp/vu/JVNVU94348759/index.html
- https://us-cert.cisa.gov/ics/advisories/icsa-21-201-01
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