CVE-2021-20613
CVSS V2 High 7.8
CVSS V3 High 7.5
Description
Improper initialization vulnerability in MELSEC-F series FX3U-ENET Firmware version 1.16 and prior, FX3U-ENET-L Firmware version 1.16 and prior and FX3U-ENET-P502 Firmware version 1.16 and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition in communication function of the product by sending specially crafted packets. Control by MELSEC-F series PLC is not affected by this vulnerability, but system reset is required for recovery.
Overview
- CVE ID
- CVE-2021-20613
- Assigner
- Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp
- Vulnerability Status
- Analyzed
- Published Version
- 2022-01-14T20:15:09
- Last Modified Date
- 2022-01-21T18:04:53
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:mitsubishielectric:fx3u-enet_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.16 | |
| cpe:2.3:h:mitsubishielectric:fx3u-enet:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:mitsubishielectric:fx3u-enet-l_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.16 | |
| cpe:2.3:h:mitsubishielectric:fx3u-enet-l:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:mitsubishielectric:fx3u-enet-p502_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.16 | |
| cpe:2.3:h:mitsubishielectric:fx3u-enet-p502:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:C
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- COMPLETE
- Base Score
- 7.8
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://jvn.jp/vu/JVNVU93268332/index.html | Third Party Advisory VDB Entry |
| https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-024_en.pdf | Vendor Advisory |
| https://www.cisa.gov/uscert/ics/advisories/icsa-22-013-07 | Third Party Advisory US Government Resource |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-20613 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20613 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:36:46 | Added to TrackCVE | |||
| 2022-12-06 06:38:49 | 2022-01-14T20:15Z | 2022-01-14T20:15:09 | CVE Published Date | updated |
| 2022-12-06 06:38:49 | 2022-01-21T18:04:53 | CVE Modified Date | updated | |
| 2022-12-06 06:38:49 | Analyzed | Vulnerability Status | updated |