CVE-2021-22699
CVSS V2 High 7.8
CVSS V3 High 7.5
Description
Improper Input Validation vulnerability exists in Modicon M241/M251 logic controllers firmware prior to V5.1.9.1 that could cause denial of service when specific crafted requests are sent to the controller over HTTP.
Overview
- CVE ID
- CVE-2021-22699
- Assigner
- cybersecurity@se.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-05-26T20:15:08
- Last Modified Date
- 2022-02-03T16:14:39
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:* | 1 | OR | 5.1.9.1 | |
| cpe:2.3:h:schneider-electric:modicon_m241:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:* | 1 | OR | 5.1.9.1 | |
| cpe:2.3:h:schneider-electric:modicon_m251:-:*:*:*:*:*:*:* | 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://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-05 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-22699 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22699 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:34:31 | Added to TrackCVE | |||
| 2022-12-05 03:03:06 | cybersecurity@schneider-electric.com | cybersecurity@se.com | CVE Assigner | updated |
| 2022-12-05 03:03:06 | 2021-05-26T20:15Z | 2021-05-26T20:15:08 | CVE Published Date | updated |
| 2022-12-05 03:03:06 | 2022-02-03T16:14:39 | CVE Modified Date | updated | |
| 2022-12-05 03:03:06 | Analyzed | Vulnerability Status | updated |