CVE-2024-20311
HIGHDescription
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. This vulnerability is due to the incorrect handling of LISP packets. An attacker could exploit this vulnerability by sending a crafted LISP packet to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition. Note: This vulnerability could be exploited over either IPv4 or IPv6 transport.
Is your site exposed to CVE-2024-20311?
Run a free security scan — no signup, results in seconds.
CVSS v3.1 Score
8.6
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Weakness Type (CWE)
CWE-674
CWE-674
Affected Products
| Vendor | Product |
|---|---|
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
| cisco | ios_xe |
References
Frequently Asked Questions
What is CVE-2024-20311? +
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.
This vulnerability is due to the incorrect handling of LISP packets. An attacker could exploit this vulnerability by sending a crafted LISP packet to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition.
Note: This vulnerability could be exploited over either IPv4 or IPv6 transport. It has a CVSS v3.1 base score of 8.6 (HIGH).
How severe is CVE-2024-20311? +
CVE-2024-20311 has a CVSS v3.1 score of 8.6 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2024-20311? +
CVE-2024-20311 affects products from cisco, specifically: ios, ios_xe. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-20311? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.
Related Vulnerabilities
CVE-2026-8936
Fixed a VM panic caused by unbounded recursion in the grpcfuse kernel module when a container created deeply nested directories …
CVE-2025-10728
When the module renders a Svg file that contains a <pattern> element, it might end up rendering it recursively leading …
CVE-2025-11896
In Xpdf 4.05 (and earlier), a PDF object loop in a CMap, via the "UseCMap" entry, leads to infinite recursion …
CVE-2026-46689
Kanidm is an identity management platform. Prior to version 1.9.3, a single unauthenticated GET to any /scim/v1/... endpoint with a …
CVE-2026-44844
eml_parser serves as a python module for parsing eml files and returning various information found in the e-mail as well …
CVE-2026-13506
In Bouncy Castle for Java before 1.85, Lazy ASN.1 sequence forcing resets nesting-depth guard. This issue also affects Bouncy Castle …