CVE-2021-3774
CVSS V2 Medium 4.3
CVSS V3 Medium 6.5
Description
Meross Smart Wi-Fi 2 Way Wall Switch (MSS550X), on its 3.1.3 version and before, creates an open Wi-Fi Access Point without the required security measures in its initial setup. This could allow a remote attacker to obtain the Wi-Fi SSID as well as the password configured by the user from Meross app via Http/JSON plain request.
Overview
- CVE ID
- CVE-2021-3774
- Assigner
- cve-coordination@incibe.es
- Vulnerability Status
- Analyzed
- Published Version
- 2021-11-05T21:15:08
- Last Modified Date
- 2022-10-27T16:43:03
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:meross:mss550x_firmware:*:*:*:*:*:*:*:* | 1 | OR | 3.1.3 | |
| cpe:2.3:h:meross:mss550x:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- 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:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://www.incibe-cert.es/en/early-warning/security-advisories/meross-mss550x-missing-encryption-sensitive-data | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-3774 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3774 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:47:51 | Added to TrackCVE | |||
| 2022-12-05 13:57:37 | 2021-11-05T21:15Z | 2021-11-05T21:15:08 | CVE Published Date | updated |
| 2022-12-05 13:57:38 | 2022-10-27T16:43:03 | CVE Modified Date | updated | |
| 2022-12-05 13:57:38 | Analyzed | Vulnerability Status | updated |