Vulnerability Description
An issue was discovered in the ALFA Windows 10 driver 1030.36.604 for AWUS036ACH. The WEP, WPA, WPA2, and WPA3 implementations accept fragmented plaintext frames in a protected Wi-Fi network. An adversary can abuse this to inject arbitrary data frames independent of the network configuration.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alfa | Awus036H Firmware | 1030.36.604 |
| Alfa | Awus036H | - |
| Arista | C-75 Firmware | - |
| Arista | C-75 | - |
| Arista | O-90 Firmware | - |
| Arista | O-90 | - |
| Arista | C-65 Firmware | - |
| Arista | C-65 | - |
| Arista | W-68 Firmware | - |
| Arista | W-68 | - |
| Siemens | Scalance W700 Ieee 802.11N Firmware | All versions |
| Siemens | Scalance W700 Ieee 802.11N | - |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2021/05/11/12Mailing ListThird Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdfThird Party Advisory
- https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.mdThird Party Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wThird Party Advisory
- https://www.arista.com/en/support/advisories-notices/security-advisories/12602-sThird Party Advisory
- https://www.fragattacks.comThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/05/11/12Mailing ListThird Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdfThird Party Advisory
- https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.mdThird Party Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wThird Party Advisory
- https://www.arista.com/en/support/advisories-notices/security-advisories/12602-sThird Party Advisory
- https://www.fragattacks.comThird Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-019200.html
- https://cert-portal.siemens.com/productcert/html/ssa-913875.html
FAQ
What is CVE-2020-26143?
CVE-2020-26143 is a vulnerability with a CVSS score of 6.5 (MEDIUM). An issue was discovered in the ALFA Windows 10 driver 1030.36.604 for AWUS036ACH. The WEP, WPA, WPA2, and WPA3 implementations accept fragmented plaintext frames in a protected Wi-Fi network. An adver...
How severe is CVE-2020-26143?
CVE-2020-26143 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-26143?
Check the references section above for vendor advisories and patch information. Affected products include: Alfa Awus036H Firmware, Alfa Awus036H, Arista C-75 Firmware, Arista C-75, Arista O-90 Firmware.