Vulnerability Description
A partial authentication bypass vulnerability exists on Atheros AR9132 3.60(AMX.8), AR9283 1.85, and AR9285 1.0.0.12NA 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qualcomm | Atheros Ar9132 Firmware | 3.60\(amx.8\) |
| Qualcomm | Atheros Ar9132 | - |
| Qualcomm | Atheros Ar9283 Firmware | 1.85 |
| Qualcomm | Atheros Ar9283 | - |
| Qualcomm | Atheros Ar9285 Firmware | 1.0.0.12na |
| Qualcomm | Atheros Ar9285 | - |
Related Weaknesses (CWE)
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
FAQ
What is CVE-2019-18991?
CVE-2019-18991 is a vulnerability with a CVSS score of 5.4 (MEDIUM). A partial authentication bypass vulnerability exists on Atheros AR9132 3.60(AMX.8), AR9283 1.85, and AR9285 1.0.0.12NA devices. The vulnerability allows sending an unencrypted data frame to a WPA2-pro...
How severe is CVE-2019-18991?
CVE-2019-18991 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-18991?
Check the references section above for vendor advisories and patch information. Affected products include: Qualcomm Atheros Ar9132 Firmware, Qualcomm Atheros Ar9132, Qualcomm Atheros Ar9283 Firmware, Qualcomm Atheros Ar9283, Qualcomm Atheros Ar9285 Firmware.