CVE-2020-9395
CVSS V2 Medium 4.9
CVSS V3 High 8
Description
An issue was discovered on Realtek RTL8195AM, RTL8711AM, RTL8711AF, and RTL8710AF devices before 2.0.6. A stack-based buffer overflow exists in the client code that takes care of WPA2's 4-way-handshake via a malformed EAPOL-Key packet with a long keydata buffer.
Overview
- CVE ID
- CVE-2020-9395
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-07-06T22:15:11
- Last Modified Date
- 2021-07-21T11:39:23
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:realtek:rtl8711af_firmware:*:*:*:*:*:*:*:* | 1 | OR | 2.0.6 | |
| cpe:2.3:h:realtek:rtl8711af:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:realtek:rtl8711am_firmware:*:*:*:*:*:*:*:* | 1 | OR | 2.0.6 | |
| cpe:2.3:h:realtek:rtl8711am:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:realtek:rtl8195am_firmware:*:*:*:*:*:*:*:* | 1 | OR | 2.0.6 | |
| cpe:2.3:h:realtek:rtl8195am:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:realtek:rtl8710af_firmware:*:*:*:*:*:*:*:* | 1 | OR | 2.0.6 | |
| cpe:2.3:h:realtek:rtl8710af:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:A/AC:M/Au:S/C:P/I:P/A:P
- Access Vector
- ADJACENT_NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 4.9
- Severity
- MEDIUM
- Exploitability Score
- 4.4
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
- Attack Vector
- ADJACENT_NETWORK
- Attack Compatibility
- HIGH
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8
- Base Severity
- HIGH
- Exploitability Score
- 1.3
- Impact Score
- 6
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/ambiot/amb1_sdk/commit/bc5173d5d4faf6829074b0f1e1b242c12b7777a3#diff-700c216fb376666eaeda0c892e8bdc09 | Patch Third Party Advisory |
| https://github.com/ambiot/amb1_arduino/commit/dcea55cf9775a0166805b3db845b237ecd5e74ea#diff-d06e7a87f34cc464a56799a419033014 | Patch Third Party Advisory |
| https://www.amebaiot.com/en/security_bulletin/ | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-9395 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9395 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:06:05 | Added to TrackCVE | |||
| 2022-12-04 19:12:18 | 2020-07-06T22:15Z | 2020-07-06T22:15:11 | CVE Published Date | updated |
| 2022-12-04 19:12:18 | 2021-07-21T11:39:23 | CVE Modified Date | updated | |
| 2022-12-04 19:12:18 | Analyzed | Vulnerability Status | updated |