QID 317435

QID 317435: Cisco Internetwork Operating System (IOS) and IOS XE Software Locator ID Separation Protocol Denial of Service (DoS) Vulnerability (cisco-sa-lisp-3gYXs3qP)

A vulnerability in the Locator ID Separation Protocol (LISP) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload.

Affected Products:
This vulnerability affects Cisco devices if they are running a vulnerable release of Cisco IOS or IOS XE Software, they have the LISP feature enabled, and they are configured with one of the following:
Ingress/egress tunnel router
Map server
Map resolver

QID Detection Logic (Authenticated):
The check matches Cisco IOS XE version retrieved via Unix Auth using "show version" command.
QID Detection Logic (Unauthenticated):
The check matches Cisco IOS XE version retrieved via SNMP or TCP/IP Fingerprint or NTP or Telnet.

A successful exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition.

  • CVSS V3 rated as Critical - 8.6 severity.
  • CVSS V2 rated as Critical - 8.5 severity.
    • Solution

    Customers are advised to refer to cisco-sa-lisp-3gYXs3qP for more information.

    Vendor References

    CVEs related to QID 317435

    CVE-2024-20311 |
    Software Advisories
    Advisory ID Software Component Link
    cisco-sa-lisp-3gYXs3qP URL Logo sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-lisp-3gYXs3qP
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