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Cisco Catalyst 9100 Access Points Denial of Service Vulnerability

view advisory published 2023-09-27

A vulnerability in the networking component of Cisco access point (AP) software could allow an unauthenticated, remote attacker to cause a temporary disruption of service. This vulnerability is due to overuse of AP resources. An attacker could exploit this vulnerability by connecting to an AP on an affected device as a wireless client and sending a high rate of traffic over an extended period of time. A successful exploit could allow the attacker to cause the Datagram TLS (DTLS) session to tear down and reset, causing a denial of service (DoS) condition. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2023-20176UShigh8.6—
A vulnerability in the networking component of Cisco access point (AP) software could allow an unauthenticated, remote attacker to cause a temporary disruption of service. This…
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references

External citations — patches, advisories, analysis.

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remediations (2)

  • FixedCisco Aironet Access Point Software

    Cisco has released software updates that address this vulnerability.

    https://software.cisco.com
  • FixedCisco Aironet Access Point Software (IOS XE Controller)

    Cisco has released software updates that address this vulnerability.

    https://software.cisco.com
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