High severity7.4NVD Advisory· Published Jul 17, 2019· Updated Jun 17, 2026
CVE-2019-1920
CVE-2019-1920
Description
A vulnerability in the 802.11r Fast Transition (FT) implementation for Cisco IOS Access Points (APs) Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected interface. The vulnerability is due to a lack of complete error handling condition for client authentication requests sent to a targeted interface configured for FT. An attacker could exploit this vulnerability by sending crafted authentication request traffic to the targeted interface, causing the device to restart unexpectedly.
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Affected products
9cpe:2.3:o:cisco:aironet_3700e_firmware:15.3\(3\)jc14:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:cisco:aironet_3700e_firmware:15.3\(3\)jc14:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:aironet_3700e_firmware:15.3\(3\)jd6:*:*:*:*:*:*:*
cpe:2.3:o:cisco:aironet_3700i_firmware:15.3\(3\)jc14:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:cisco:aironet_3700i_firmware:15.3\(3\)jc14:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:aironet_3700i_firmware:15.3\(3\)jd6:*:*:*:*:*:*:*
cpe:2.3:o:cisco:aironet_3700p_firmware:15.3\(3\)jc14:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:cisco:aironet_3700p_firmware:15.3\(3\)jc14:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:aironet_3700p_firmware:15.3\(3\)jd6:*:*:*:*:*:*:*
- Range: unspecified
Patches
Vulnerability mechanics
References
2- www.securityfocus.com/bid/109312nvdThird Party AdvisoryVDB Entry
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190717-aironet-dosnvdVendor Advisory
News mentions
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