SB2021051812 - Multiple vulnerabilities in Cisco Catalyst 9117 APs and Catalyst 9130 APs

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Main Vulnerability Database SB2021051812

SB2021051812 - Multiple vulnerabilities in Cisco Catalyst 9117 APs and Catalyst 9130 APs

Published: May 18, 2021

Security Bulletin ID SB2021051812
Severity
Low
Patch available
NO
Number of vulnerabilities 3
Exploitation vector Adjecent network
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2020-24586)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists in the 802.11 standard due to the affected device does not clear its cache/memory to remove fragments of an incomplete MSDU/MMPDU from previous session after reconnection/reassociation. A remote attacker on the local network can perform a fragment cache attack and perform a denial of service (DoS) attack.


2) Spoofing attack (CVE-ID: CVE-2020-24588)

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data in Windows Wireless Networking. A remote attacker on the local network can spoof page content.


3) Input validation error (CVE-ID: CVE-2020-26146)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the WPA, WPA2, and WPA3 implementations reassemble fragments with non-consecutive packet numbers. A remote attacker on the local network can exfiltrate selected fragments.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References