CVE-2021-20607
CVSS V2 Medium 4.3
CVSS V3 Medium 5.5
Description
Integer Underflow vulnerability in Mitsubishi Electric GX Works2 versions 1.606G and prior, Mitsubishi Electric MELSOFT Navigator versions 2.84N and prior and Mitsubishi Electric EZSocket versions 5.4 and prior allows an attacker to cause a DoS condition in the software by getting a user to open malicious project file specially crafted by an attacker.
Overview
- CVE ID
- CVE-2021-20607
- Assigner
- Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp
- Vulnerability Status
- Analyzed
- Published Version
- 2021-12-17T17:15:11
- Last Modified Date
- 2023-02-02T19:58:16
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:mitsubishielectric:ezsocket:*:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:mitsubishielectric:gx_works2:*:*:*:*:*:*:*:* | 1 | OR | 1.606g | |
| cpe:2.3:a:mitsubishielectric:melsoft_navigator:*:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 5.5
- Base Severity
- MEDIUM
- Exploitability Score
- 1.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://jvn.jp/vu/JVNVU93817405/index.html | Patch Third Party Advisory |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-350-05 | Third Party Advisory US Government Resource |
| https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-021_en.pdf | Patch Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-20607 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20607 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:40:16 | Added to TrackCVE | |||
| 2022-12-06 04:17:55 | 2021-12-17T17:15Z | 2021-12-17T17:15:11 | CVE Published Date | updated |
| 2022-12-06 04:17:55 | 2022-07-29T16:15:08 | CVE Modified Date | updated | |
| 2022-12-06 04:17:55 | Undergoing Analysis | Vulnerability Status | updated | |
| 2023-02-02 21:12:12 | 2023-02-02T19:58:16 | CVE Modified Date | updated | |
| 2023-02-02 21:12:13 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |