CVE-2021-34740
Severity
7.4HIGH
EPSS
0.1%
top 72.19%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedSep 23
Latest updateMay 24
Description
A vulnerability in the WLAN Control Protocol (WCP) implementation for Cisco Aironet Access Point (AP) software could allow an unauthenticated, adjacent attacker to cause a reload of an affected device, resulting in a denial of service (DoS) condition. This vulnerability is due to incorrect error handling when an affected device receives an unexpected 802.11 frame. An attacker could exploit this vulnerability by sending certain 802.11 frames over the wireless network to an interface on an affecte…
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:HExploitability: 2.8 | Impact: 4.0
Affected Packages2 packages
🔴Vulnerability Details
2GHSA▶
GHSA-8j6f-39hh-f4v6: A vulnerability in the WLAN Control Protocol (WCP) implementation for Cisco Aironet Access Point (AP) software could allow an unauthenticated, adjacen↗2022-05-24
CVEList▶
Cisco Aironet Access Points WLAN Control Protocol Packet Buffer Leak Denial of Service Vulnerability↗2021-09-23
📋Vendor Advisories
1Cisco▶
Cisco Aironet Access Points WLAN Control Protocol Packet Buffer Leak Denial of Service Vulnerability↗2021-09-22