{"cve":"CVE-2020-26143","nvd":{"published":"2021-05-11T20:15:08.800","modified":"2026-06-17T03:07:41.267","status":"Modified","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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":6.5},"cwes":["CWE-20"],"references":["http://www.openwall.com/lists/oss-security/2021/05/11/12","https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf","https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md","https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu","https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63"],"products":["alfa:awus036h_firmware","arista:c-65_firmware","arista:c-75_firmware","arista:o-90_firmware","arista:w-68_firmware","siemens:scalance_w700_ieee_802.11n_firmware"],"source":"nvd","synced_at":"2026-10-19T21:18:09.669877188+00:00"},"epss":{"cve":"CVE-2020-26143","score":0.04173,"percentile":0.90905,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}