CVE-2020-35755
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
An issue was discovered on Libre Wireless LS9 LS1.5/p7040 devices. There is a luci_service Read_ NVRAM Direct Access Information Leak. The luci_service deamon running on port 7777 provides a sub-category of commands for which Read_ is prepended. Commands in this category are able to directly read the contents of the device configuration NVRAM. The NVRAM contains sensitive information, such as the Wi-Fi password (in cleartext), as well as connected account tokens for services such as Spotify.
Overview
- CVE ID
- CVE-2020-35755
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-05-03T21:15:07
- Last Modified Date
- 2022-07-12T17:42:04
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:librewireless:ls9_firmware:7040:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:librewireless:ls9:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- 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:H/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://www.iot-inspector.com/blog/advisory-multiple-issues-libre-wireless-ls9/ | Exploit Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-35755 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35755 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:15:37 | Added to TrackCVE | |||
| 2022-12-05 01:26:07 | 2021-05-03T21:15Z | 2021-05-03T21:15:07 | CVE Published Date | updated |
| 2022-12-05 01:26:07 | 2022-07-12T17:42:04 | CVE Modified Date | updated | |
| 2022-12-05 01:26:07 | Analyzed | Vulnerability Status | updated |