CVE-2020-7524
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
Out-of-bounds Write vulnerability exists in Modicon M218 Logic Controller (V5.0.0.7 and prior) which could cause Denial of Service when sending specific crafted IPV4 packet to the controller: Sending a specific IPv4 protocol package to Schneider Electric Modicon M218 Logic Controller can cause IPv4 devices to go down. The device does not work properly and must be powered back on to return to normal.
Overview
- CVE ID
- CVE-2020-7524
- Assigner
- cybersecurity@se.com
- Vulnerability Status
- Analyzed
- Published Version
- 2020-08-31T17:15:12
- Last Modified Date
- 2022-01-31T19:52:53
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:schneider-electric:modicon_m218_firmware:*:*:*:*:*:*:*:* | 1 | OR | 5.0.0.7 | |
| cpe:2.3:h:schneider-electric:modicon_m218:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
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.se.com/ww/en/download/document/SEVD-2020-224-03/ | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-7524 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7524 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:35:36 | Added to TrackCVE | |||
| 2022-12-04 21:46:06 | cybersecurity@schneider-electric.com | cybersecurity@se.com | CVE Assigner | updated |
| 2022-12-04 21:46:06 | 2020-08-31T17:15Z | 2020-08-31T17:15:12 | CVE Published Date | updated |
| 2022-12-04 21:46:06 | 2022-01-31T19:52:53 | CVE Modified Date | updated | |
| 2022-12-04 21:46:06 | Analyzed | Vulnerability Status | updated |