CVE-2024-20313

HIGH

Published Apr 24, 2024 Modified Nov 21, 2024 CWE-120

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.

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CVSS v3.1 Score

7.4

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Weakness Type (CWE)

CWE-120 CWE-120

Affected Products

Vendor	Product	Versions
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All
cisco	ios_xe	All

References

Advisories & Patches

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-ospf-dos-dR9Sfrxp https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-ospf-dos-dR9Sfrxp

Frequently Asked Questions

What is CVE-2024-20313? +

How severe is CVE-2024-20313? +

CVE-2024-20313 has a CVSS v3.1 score of 7.4 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-20313? +

CVE-2024-20313 affects products from cisco, specifically: ios_xe. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-20313? +

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.

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