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PRIOn knowledge basePRION:CVE-2021-20596HistoryJul 22, 2021 - 12:15 p.m.
Null pointer dereference
2021-07-2212:15:00
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0.003 Low
EPSS
Percentile
69.2%
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.
| CPE | Name | Operator | Version |
|---|---|---|---|
| fx3u-enet-l_firmware | le | 1.14 | |
| fx3u-enet-p502_firmware | le | 1.14 | |
| fx3u-enet_firmware | le | 1.14 |
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