Vulnerability · Published Mar 27, 2024 · Assigned by cisco

CVE-2024-20311

High 8.6

In plain English

A high-severity security flaw in Cisco IOS XE Software from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).

Severity (CVSS 3.1)8.6High

Exploit odds (30 days)0.8%top 43.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
Cisco	IOS	15.1(1)XB15.2(1)S15.2(2)S15.2(1)S115.2(4)S15.2(1)S215.2(2)S115.2(2)S2
Cisco	Cisco IOS XE Software	3.7.0S3.7.1S3.7.2S3.7.3S3.7.4S3.7.5S3.7.6S3.7.7S

Weakness: CWE-674 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

References

cisco-sa-lisp-3gYXs3qP