CVE-2020-7498
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
A CWE-798: Use of Hard-coded Credentials vulnerability exists in the Unity Loader and OS Loader Software (all versions). The fixed credentials are used to simplify file transfer. Today the use of fixed credentials is considered a vulnerability, which could cause unauthorized access to the file transfer service provided by the Modicon PLCs. This could result in various unintended results.
Overview
- CVE ID
- CVE-2020-7498
- Assigner
- cybersecurity@se.com
- Vulnerability Status
- Analyzed
- Published Version
- 2020-06-16T20:15:14
- Last Modified Date
- 2022-01-31T19:43:33
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:schneider-electric:os_loader:*:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:schneider-electric:unity_loader:*:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://www.se.com/ww/en/download/document/SEVD-2020-161-02 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-7498 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7498 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:35:37 | Added to TrackCVE | |||
| 2022-12-04 18:08:56 | cybersecurity@schneider-electric.com | cybersecurity@se.com | CVE Assigner | updated |
| 2022-12-04 18:08:56 | 2020-06-16T20:15Z | 2020-06-16T20:15:14 | CVE Published Date | updated |
| 2022-12-04 18:08:56 | 2022-01-31T19:43:33 | CVE Modified Date | updated | |
| 2022-12-04 18:08:56 | Analyzed | Vulnerability Status | updated |