CVE-2019-18990
Last modified
CVE-2019-18990 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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. EPSS estimates a 0.75% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Realtek | Rtl8812ar Firmware | 1.21ww |
| Realtek | Rtl8196d Firmware | 1.0.0 |
| Realtek | Rtl8192er Firmware | 2.10 |
| Realtek | Rtl8881an Firmware | 1.09 |
References
- https://www.synopsys.com/blogs/software-security/cyrc-advisory-sept2020/Third Party Advisory
- https://www.synopsys.com/blogs/software-security/cyrc-advisory-sept2020/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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