CVE-2020-12834
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
eQ-3 Homematic Central Control Unit (CCU)2 through 2.51.6 and CCU3 through 3.51.6 allow Remote Code Execution in the JSON API Method ReGa.runScript, by unauthenticated attackers with access to the web interface, due to the default auto-login feature being enabled during first-time setup (or factory reset).
Overview
- CVE ID
- CVE-2020-12834
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-05-15T17:15:12
- Last Modified Date
- 2020-05-21T18:43:31
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:eq-3:homematic_ccu2_firmware:*:*:*:*:*:*:*:* | 1 | OR | 2.51.6 | |
| cpe:2.3:h:eq-3:homematic_ccu2:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:eq-3:ccu3_firmware:*:*:*:*:*:*:*:* | 1 | OR | 3.51.6 | |
| cpe:2.3:h:eq-3:homematic_ccu3:-:*:*:*:*:*:*:* | 0 | 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://psytester.github.io/CVE-2020-12834/ | Exploit Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-12834 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12834 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:31:06 | Added to TrackCVE | |||
| 2022-12-04 16:36:09 | 2020-05-15T17:15Z | 2020-05-15T17:15:12 | CVE Published Date | updated |
| 2022-12-04 16:36:09 | 2020-05-21T18:43:31 | CVE Modified Date | updated | |
| 2022-12-04 16:36:09 | Analyzed | Vulnerability Status | updated |