{"cve":"CVE-2020-24588","nvd":{"published":"2021-05-11T20:15:08.613","modified":"2026-06-17T03:05:49.147","status":"Modified","description":"The 802.11 standard that underpins Wi-Fi Protected Access (WPA, WPA2, and WPA3) and Wired Equivalent Privacy (WEP) doesn't require that the A-MSDU flag in the plaintext QoS header field is authenticated. Against devices that support receiving non-SSP A-MSDU frames (which is mandatory as part of 802.11n), an adversary can abuse this to inject arbitrary network packets.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","score":3.5},"cwes":["CWE-327"],"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://lists.debian.org/debian-lts-announce/2021/06/msg00019.html","https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html"],"products":["arista:c-100_firmware","arista:c-110_firmware","arista:c-120_firmware","arista:c-130_firmware","arista:c-200_firmware","arista:c-230_firmware","arista:c-235_firmware","arista:c-250_firmware","arista:c-260_firmware","arista:c-65_firmware","arista:c-75_firmware","arista:o-105_firmware","arista:o-90_firmware","arista:w-118_firmware","arista:w-68_firmware","cisco:1100-4p_firmware","cisco:1100-8p_firmware","cisco:1100_firmware","cisco:1101-4p_firmware","cisco:1109-2p_firmware","cisco:1109-4p_firmware","cisco:aironet_1532_firmware","cisco:aironet_1542d_firmware","cisco:aironet_1542i_firmware","cisco:aironet_1800_firmware","cisco:aironet_1800i_firmware","cisco:aironet_1810_firmware","cisco:aironet_1810w_firmware","cisco:aironet_1815_firmware","cisco:aironet_1815i_firmware","cisco:aironet_1832_firmware","cisco:aironet_1842_firmware","cisco:aironet_1852_firmware","cisco:aironet_ap803_firmware","cisco:aironet_iw3702_firmware","cisco:catalyst_9105_firmware","cisco:catalyst_9105axi_firmware","cisco:catalyst_9105axw_firmware","cisco:catalyst_9115_ap_firmware","cisco:catalyst_9115_firmware","cisco:catalyst_9115axe_firmware","cisco:catalyst_9115axi_firmware","cisco:catalyst_9117_ap_firmware","cisco:catalyst_9117_firmware","cisco:catalyst_9117axi_firmware","cisco:catalyst_9120_ap_firmware","cisco:catalyst_9120_firmware","cisco:catalyst_9120axe_firmware","cisco:catalyst_9120axi_firmware","cisco:catalyst_9120axp_firmware"],"source":"nvd","synced_at":"2026-10-19T21:18:09.669877188+00:00"},"epss":{"cve":"CVE-2020-24588","score":0.03611,"percentile":0.89487,"date":"2026-10-31"},"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."]}