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 |
Configurations
Configuration 1 (hide)
|
History
02 Aug 2021, 14:25
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:o:mitsubishielectric:fx3u-enet-l_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:mitsubishielectric:fx3u-enet_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:mitsubishielectric:fx3u-enet-p502_firmware:*:*:*:*:*:*:*:* |
|
| CVSS |
v2 : v3 : |
v2 : 5.0
v3 : 7.5 |
| CWE | CWE-476 | |
| References |
|
|
| References | (MISC) https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-006_en.pdf - Patch, Vendor Advisory | |
| References | (MISC) https://jvn.jp/vu/JVNVU94348759/index.html - Patch, Third Party Advisory |
22 Jul 2021, 12:20
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2021-07-22 12:15
Updated : 2023-12-10 13:55
NVD link : CVE-2021-20596
Mitre link : CVE-2021-20596
CVE.ORG link : CVE-2021-20596
JSON object : View
Products Affected
mitsubishielectric
- fx3u-enet_firmware
- fx3u-enet-p502_firmware
- fx3u-enet-l_firmware
CWE
CWE-476
NULL Pointer Dereference