CVE-2019-15265

Medium

Description

A vulnerability in the bridge protocol data unit (BPDU) forwarding functionality of Cisco Aironet Access Points (APs) could allow an unauthenticated, adjacent attacker to cause an AP port to go into an error disabled state. The vulnerability occurs because BPDUs received from specific wireless clients are forwarded incorrectly. An attacker could exploit this vulnerability on the wireless network by sending a steady stream of crafted BPDU frames. A successful exploit could allow the attacker to cause a limited denial of service (DoS) attack because an AP port could go offline.

SeverityMedium
CVSS6.5
Exploit probability—
ProductCisco Aironet 1540 Firmware
PublishedOct 16, 2019
First seenOct 16, 2019

How to fix

Update
  • cisco aironet_1540_firmware8.5.151.0, 8.8.120.0, 8.9.100.0 or later
  • cisco aironet_1560_firmware8.5.151.0, 8.8.120.0, 8.9.100.0 or later
  • cisco aironet_1800_firmware8.5.151.0, 8.8.120.0, 8.9.100.0 or later
  • cisco aironet_2800_firmware8.5.151.0, 8.8.120.0, 8.9.100.0 or later
  • cisco aironet_3800_firmware8.5.151.0, 8.8.120.0, 8.9.100.0 or later

Affected products

ProductAffected versionsFixed in
cisco aironet_1540_firmwarev < 8.5.151.0, 8.6 ≤ v < 8.8.120.0, 8.8.125.0 ≤ v < 8.9.100.08.5.151.0, 8.8.120.0, 8.9.100.0
cisco aironet_1560_firmwarev < 8.5.151.0, 8.6 ≤ v < 8.8.120.0, 8.8.125.0 ≤ v < 8.9.100.08.5.151.0, 8.8.120.0, 8.9.100.0
cisco aironet_1800_firmwarev < 8.5.151.0, 8.6 ≤ v < 8.8.120.0, 8.8.125.0 ≤ v < 8.9.100.08.5.151.0, 8.8.120.0, 8.9.100.0
cisco aironet_2800_firmwarev < 8.5.151.0, 8.6 ≤ v < 8.8.120.0, 8.8.125.0 ≤ v < 8.9.100.08.5.151.0, 8.8.120.0, 8.9.100.0
cisco aironet_3800_firmwarev < 8.5.151.0, 8.6 ≤ v < 8.8.120.0, 8.8.125.0 ≤ v < 8.9.100.08.5.151.0, 8.8.120.0, 8.9.100.0

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