7.5
CVE-2021-20596
- EPSS 0.57%
- Veröffentlicht 22.07.2021 12:15:07
- Zuletzt bearbeitet 21.11.2024 05:46:50
- Quelle Mitsubishielectric.Psirt@yd.Mi
- CVE-Watchlists
- Unerledigt
LoginNULL 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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Mitsubishielectric ≫ Fx3u-enet-l Firmware Version <= 1.14
Mitsubishielectric ≫ Fx3u-enet-p502 Firmware Version <= 1.14
Mitsubishielectric ≫ Fx3u-enet Firmware Version <= 1.14
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.57% | 0.678 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 7.5 | 3.9 | 3.6 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
|
| nvd@nist.gov | 5 | 10 | 2.9 |
AV:N/AC:L/Au:N/C:N/I:N/A:P
|
CWE-476 NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.