PT-2024-2579 · Cisco · Cisco Ios Xe+1

X.B · Published 2024-03-27 · Updated 2025-07-30 · CVE-2024-20311

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Cisco IOS and Cisco IOS XE (affected versions not specified)

Description The issue is related to the incorrect handling of LISP packets, which could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. This vulnerability could be exploited over either IPv4 or IPv6 transport.

Recommendations To resolve the issue, update the software to a version that addresses this vulnerability. There are no workarounds that address this vulnerability. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Uncontrolled Recursion

Weakness Enumeration

CWE-674

Related Identifiers

BDU:2024-02636

CVE-2024-20311

Affected Products

Cisco Ios

Cisco Ios Xe

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2024-20311 · Security Note
• https://osv.dev/vulnerability/CVE-2024-20311 · Vendor Advisory
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-lisp-3gYXs3qP · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-02636 · Security Note
• https://t.me/cveNotify/130248 · Telegram Post
• https://twitter.com/oktsec/status/1775252340984934613 · Twitter Post
• https://twitter.com/CVEnew/status/1773096360629416447 · Twitter Post