What is CVE-2024-20276?

CVE-2024-20276 is a high-severity vulnerability in Cisco Catalyst 6503-E, classified under CWE-248. CVSS score: 7.4/10. Published 2024-03-27.

How severe is CVE-2024-20276?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in Cisco Catalyst 6503-E

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.

EPSS: 0.003 (21.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Catalyst_6503-e
Cisco Catalyst_6504-e
Cisco Catalyst_6506-e
Cisco Catalyst_6509-e
Cisco Catalyst_6509-v-e
Cisco Catalyst_6513-e
Cisco Catalyst_6807-xl
Cisco Catalyst_c6800-sup6t
Cisco Catalyst_c6800-sup6t-xl
Cisco Ios — versions 15.5(1)sy9, 15.5\(1\)sy5, 15.5(1)sy6

Weakness classification (CWE)

CWE-248

References

psirt@cisco.com (Vendor Advisory)

Frequently asked questions

What is CVE-2024-20276?: CVE-2024-20276 is a high-severity vulnerability in Cisco Catalyst 6503-E, classified under CWE-248. CVSS score: 7.4/10. Published 2024-03-27.
How severe is CVE-2024-20276?: High severity. CVSS v3 base score is 7.4 out of 10.