Vulnerability Monitor

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CVE-2019-18990

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.

Published

2020-09-30T18:15:17.413

Last Modified

2024-11-21T04:33:56.887

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.4 (MEDIUM)

CVSSv2 Vector

AV:A/AC:L/Au:N/C:P/I:P/A:N

  • Access Vector: ADJACENT_NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

6.5

Impact Score

4.9

Weaknesses
  • Type: Primary
    CWE-290
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System realtek rtl8812ar_firmware 1.21ww Yes
Hardware realtek rtl8812ar - No
Operating System realtek rtl8196d_firmware 1.0.0 Yes
Hardware realtek rtl8196d - No
Operating System realtek rtl8192er_firmware 2.10 Yes
Hardware realtek rtl8192er - No
Operating System realtek rtl8881an_firmware 1.09 Yes
Hardware realtek rtl8881an - No
References