High severity7.4NVD Advisory· Published Mar 27, 2024· Updated Jun 17, 2026

CVE-2024-20276

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Cisco Systems, Inc./Cisco iOS8 versions
cpe:2.3:o:cisco:ios:15.5\(1\)sy10:*:*:*:*:*:*:*+ 7 more
- cpe:2.3:o:cisco:ios:15.5\(1\)sy10:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.5\(1\)sy11:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.5\(1\)sy5:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.5\(1\)sy6:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.5\(1\)sy7:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.5\(1\)sy8:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.5\(1\)sy9:*:*:*:*:*:*:*
- (no CPE)range: 15.5(1)SY5
Cisco Systems, Inc./Catalyst 4000 series switchesllm-fuzzy
Cisco Systems, Inc./iOS Xr Softwarellm-fuzzy

Patches

Vulnerability mechanics

References

sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-dos-Hq4d3tZGnvdVendor Advisory

News mentions

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