CVE-2021-20592
CVSS V2 High 7.8
CVSS V3 High 7.5
Description
Missing synchronization vulnerability in GOT2000 series GT27 model communication driver versions 01.19.000 through 01.39.010, GT25 model communication driver versions 01.19.000 through 01.39.010 and GT23 model communication driver versions 01.19.000 through 01.39.010 and GT SoftGOT2000 versions 1.170C through 1.256S allows a remote unauthenticated attacker to cause DoS condition on the MODBUS/TCP slave communication function of the products by rapidly and repeatedly connecting and disconnecting to and from the MODBUS/TCP communication port on a target. Restart or reset is required to recover.
Overview
- CVE ID
- CVE-2021-20592
- Assigner
- vultures@jpcert.or.jp
- Vulnerability Status
- Analyzed
- Published Version
- 2021-08-05T21:15:10
- Last Modified Date
- 2021-08-27T13:15:03
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:a:mitsubishielectric:gt_softgot2000:*:*:*:*:*:*:*:* | 1 | OR | 1.170c | 1.256s |
| AND | ||||
| cpe:2.3:o:mitsubishielectric:got2000_gt27_firmware:*:*:*:*:*:*:*:* | 1 | OR | 01.19.000 | 01.39.010 |
| cpe:2.3:h:mitsubishielectric:got2000_gt27:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:mitsubishielectric:got2000_gt25_firmware:*:*:*:*:*:*:*:* | 1 | OR | 01.19.000 | 01.39.010 |
| cpe:2.3:h:mitsubishielectric:got2000_gt25:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:mitsubishielectric:got2000_gt23_firmware:*:*:*:*:*:*:*:* | 1 | OR | 01.19.000 | 01.39.010 |
| cpe:2.3:h:mitsubishielectric:got2000_gt23:-:*:*:*:*:*:*:* | 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://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-007_en.pdf | Vendor Advisory |
| https://jvn.jp/vu/JVNVU92414172/index.html | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-20592 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20592 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:55:50 | Added to TrackCVE | |||
| 2022-12-05 07:30:36 | 2021-08-05T21:15Z | 2021-08-05T21:15:10 | CVE Published Date | updated |
| 2022-12-05 07:30:36 | 2021-08-27T13:15:03 | CVE Modified Date | updated | |
| 2022-12-05 07:30:36 | Analyzed | Vulnerability Status | updated |