CVE-2024-20276: catalyst 6503-e — Fix

Description

A vulnerability in Cisco IOS Software for Cisco Catalyst 6000 Series Switches could allow an unauthenticated, adjacent attacker to cause an affected device to reload unexpectedly. This vulnerability is due to improper handling of process-switched traffic. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (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-248 CWE-248

Affected Products

Vendor	Product	Versions
cisco	ios	All
cisco	ios	All
cisco	ios	All
cisco	ios	All
cisco	ios	All
cisco	ios	All
cisco	ios	All
cisco	catalyst_6503-e	All
cisco	catalyst_6504-e	All
cisco	catalyst_6506-e	All
cisco	catalyst_6509-e	All
cisco	catalyst_6509-v-e	All
cisco	catalyst_6513-e	All
cisco	catalyst_6807-xl	All
cisco	catalyst_c6800-sup6t	All
cisco	catalyst_c6800-sup6t-xl	All

References

Advisories & Patches

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-dos-Hq4d3tZG https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-dos-Hq4d3tZG

Frequently Asked Questions

What is CVE-2024-20276? +

A vulnerability in Cisco IOS Software for Cisco Catalyst 6000 Series Switches could allow an unauthenticated, adjacent attacker to cause an affected device to reload unexpectedly. This vulnerability is due to improper handling of process-switched traffic. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition. It has a CVSS v3.1 base score of 7.4 (HIGH).

How severe is CVE-2024-20276? +

CVE-2024-20276 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-2024-20276? +

CVE-2024-20276 affects products from cisco, specifically: catalyst_6503-e, catalyst_6504-e, catalyst_6506-e, catalyst_6509-e, catalyst_6509-v-e, catalyst_6513-e, catalyst_6807-xl, catalyst_c6800-sup6t, catalyst_c6800-sup6t-xl, ios. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-20276? +

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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