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 2020-09-30 18:15:17
Updated 2021-07-21 11:39:24
Source MITRE
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2019-18990

0.06%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 23 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-18990

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.8
MEDIUM AV:A/AC:L/Au:N/C:P/I:P/A:N
6.5
4.9
NIST
6.1
MEDIUM CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
2.8
2.7
MITRE
5.4
MEDIUM CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
2.8
2.5
NIST

CWE ids for CVE-2019-18990

  • This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-18990

Products affected by CVE-2019-18990

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