CVE-2024-20303

Summary

A vulnerability in the multicast DNS (mDNS) gateway feature of Cisco IOS XE Software for Wireless LAN Controllers (WLCs) could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper management of mDNS client entries. An attacker could exploit this vulnerability by connecting to the wireless network and sending a continuous stream of specific mDNS packets. A successful exploit could allow the attacker to cause the wireless controller to have high CPU utilization, which could lead to access points (APs) losing their connection to the controller and result in a DoS condition.

Affected Software

VendorProductVersion RangeStatus
CiscoCisco IOS XE Software17.2.1affected
CiscoCisco IOS XE Software17.2.1raffected
CiscoCisco IOS XE Software17.2.1aaffected
CiscoCisco IOS XE Software17.2.1vaffected
CiscoCisco IOS XE Software17.2.2affected
CiscoCisco IOS XE Software17.2.3affected
CiscoCisco IOS XE Software17.3.1affected
CiscoCisco IOS XE Software17.3.2affected
CiscoCisco IOS XE Software17.3.3affected
CiscoCisco IOS XE Software17.3.1aaffected
CiscoCisco IOS XE Software17.3.1waffected
CiscoCisco IOS XE Software17.3.2aaffected
CiscoCisco IOS XE Software17.3.1xaffected
CiscoCisco IOS XE Software17.3.1zaffected
CiscoCisco IOS XE Software17.3.4affected
CiscoCisco IOS XE Software17.3.5affected
CiscoCisco IOS XE Software17.3.4aaffected
CiscoCisco IOS XE Software17.3.6affected
CiscoCisco IOS XE Software17.3.4baffected
CiscoCisco IOS XE Software17.3.4caffected
CiscoCisco IOS XE Software17.3.5aaffected
CiscoCisco IOS XE Software17.3.5baffected
CiscoCisco IOS XE Software17.3.7affected
CiscoCisco IOS XE Software17.3.8affected
CiscoCisco IOS XE Software17.3.8aaffected
CiscoCisco IOS XE Software17.4.1affected
CiscoCisco IOS XE Software17.4.2affected
CiscoCisco IOS XE Software17.4.1aaffected
CiscoCisco IOS XE Software17.4.1baffected
CiscoCisco IOS XE Software17.4.2aaffected
CiscoCisco IOS XE Software17.5.1affected
CiscoCisco IOS XE Software17.5.1aaffected
CiscoCisco IOS XE Software17.6.1affected
CiscoCisco IOS XE Software17.6.2affected
CiscoCisco IOS XE Software17.6.1waffected
CiscoCisco IOS XE Software17.6.1aaffected
CiscoCisco IOS XE Software17.6.1xaffected
CiscoCisco IOS XE Software17.6.3affected
CiscoCisco IOS XE Software17.6.1yaffected
CiscoCisco IOS XE Software17.6.1zaffected
CiscoCisco IOS XE Software17.6.3aaffected
CiscoCisco IOS XE Software17.6.4affected
CiscoCisco IOS XE Software17.6.1z1affected
CiscoCisco IOS XE Software17.6.5affected
CiscoCisco IOS XE Software17.6.5aaffected
CiscoCisco IOS XE Software17.7.1affected
CiscoCisco IOS XE Software17.7.1aaffected
CiscoCisco IOS XE Software17.7.1baffected
CiscoCisco IOS XE Software17.7.2affected
CiscoCisco IOS XE Software17.10.1affected
CiscoCisco IOS XE Software17.10.1aaffected
CiscoCisco IOS XE Software17.10.1baffected
CiscoCisco IOS XE Software17.8.1affected
CiscoCisco IOS XE Software17.8.1aaffected
CiscoCisco IOS XE Software17.9.1affected
CiscoCisco IOS XE Software17.9.1waffected
CiscoCisco IOS XE Software17.9.2affected
CiscoCisco IOS XE Software17.9.1aaffected
CiscoCisco IOS XE Software17.9.1xaffected
CiscoCisco IOS XE Software17.9.1yaffected
CiscoCisco IOS XE Software17.9.3affected
CiscoCisco IOS XE Software17.9.2aaffected
CiscoCisco IOS XE Software17.9.1x1affected
CiscoCisco IOS XE Software17.9.3aaffected
CiscoCisco IOS XE Software17.9.1y1affected
CiscoCisco IOS XE Software17.11.1affected
CiscoCisco IOS XE Software17.11.1aaffected
CiscoCisco IOS XE Software17.11.99SWaffected

Weaknesses

  • CWE-459: Incomplete Cleanup

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References