PT-2024-8248 · Cisco · Cisco Ios Xe

X.B · Published 2024-03-27 · Updated 2024-04-30 · CVE-2024-20313

Positive Technologies (AI Summary)

CVSS v3.1

7.4

High

Base vector

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

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

Description: A vulnerability in the OSPF version 2 (OSPFv2) feature of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to improper validation of OSPF updates that are processed by a device. An attacker could exploit this vulnerability by sending a malformed OSPF update to the device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.

Recommendations: Upgrade the OSPFv2 component as soon as possible to address this vulnerability. There are no workarounds that address this vulnerability.

Fix

DoS

Improper Resource Release

Buffer Overflow

Weakness Enumeration

CWE-404

CWE-120

Related Identifiers

BDU:2024-09801

CVE-2024-20313

Affected Products

Cisco Ios Xe

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2024-20313 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-ospf-dos-dR9Sfrxp · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-09801 · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/707677 · Security Note
• https://osv.dev/vulnerability/CVE-2024-20313 · Vendor Advisory
• https://twitter.com/oktsec/status/1775388217648337290 · Twitter Post
• https://twitter.com/CVEnew/status/1783246388383682962 · Twitter Post
• https://t.me/cvenotify/78556 · Telegram Post