CVE-2019-18990
CVSS V2 Medium 4.8
CVSS V3 Medium 5.4
Description
A partial authentication bypass vulnerability exists on Realtek RTL8812AR 1.21WW, RTL8196D 1.0.0, RTL8192ER 2.10, and RTL8881AN 1.09 devices. The vulnerability allows sending an unencrypted data frame to a WPA2-protected WLAN router where the packet is routed through the network. If successful, a response is sent back as an encrypted frame, which would allow an attacker to discern information or potentially modify data.
Overview
- CVE ID
- CVE-2019-18990
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-09-30T18:15:17
- 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:rtl8812ar_firmware:1.21ww:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:realtek:rtl8812ar:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:realtek:rtl8196d_firmware:1.0.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:realtek:rtl8196d:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:realtek:rtl8192er_firmware:2.10:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:realtek:rtl8192er:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:realtek:rtl8881an_firmware:1.09:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:realtek:rtl8881an:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:A/AC:L/Au:N/C:P/I:P/A:N
- Access Vector
- ADJACENT_NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 4.8
- Severity
- MEDIUM
- Exploitability Score
- 6.5
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- Attack Vector
- ADJACENT_NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 5.4
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 2.5
References
| Reference URL | Reference Tags |
|---|---|
| https://www.synopsys.com/blogs/software-security/cyrc-advisory-sept2020/ | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-18990 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18990 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:09:51 | Added to TrackCVE | |||
| 2022-12-04 23:30:19 | 2020-09-30T18:15Z | 2020-09-30T18:15:17 | CVE Published Date | updated |
| 2022-12-04 23:30:19 | 2021-07-21T11:39:23 | CVE Modified Date | updated | |
| 2022-12-04 23:30:19 | Analyzed | Vulnerability Status | updated |