CVE-2024-20276

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

7.4 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 4.0

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-dos-Hq4d3tZG Vendor Advisory
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-dos-Hq4d3tZG Vendor Advisory
Configurations

Configuration 1 (hide)

AND
OR 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:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.5\(1\)sy10:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.5\(1\)sy11:*:*:*:*:*:*:*
OR cpe:2.3:h:cisco:catalyst_6503-e:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6504-e:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6506-e:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6509-e:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6509-v-e:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6513-e:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6807-xl:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_c6800-sup6t:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_c6800-sup6t-xl:-:*:*:*:*:*:*:*
History

05 Aug 2025, 14:44

Type Values Removed Values Added
CPE cpe:2.3:o:cisco:ios:15.5\(1\)sy8:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6509-e:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6509-v-e:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6506-e:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.5\(1\)sy9:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6513-e:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.5\(1\)sy6:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.5\(1\)sy5:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_c6800-sup6t-xl:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.5\(1\)sy11:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.5\(1\)sy10:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6807-xl:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_c6800-sup6t:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6503-e:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6504-e:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.5\(1\)sy7:*:*:*:*:*:*:*
References () 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 - Vendor Advisory
First Time Cisco catalyst 6509-v-e
Cisco catalyst 6807-xl
Cisco catalyst 6503-e
Cisco catalyst 6509-e
Cisco catalyst 6506-e
Cisco
Cisco catalyst C6800-sup6t-xl
Cisco catalyst C6800-sup6t
Cisco catalyst 6513-e
Cisco catalyst 6504-e
Cisco ios
Information

Published : 2024-03-27 17:15

Updated : 2025-08-05 14:44

NVD link : CVE-2024-20276

Mitre link : CVE-2024-20276

CVE.ORG link : CVE-2024-20276

JSON object : View

Products Affected

cisco

  • catalyst_6503-e
  • catalyst_6504-e
  • catalyst_c6800-sup6t-xl
  • catalyst_c6800-sup6t
  • catalyst_6506-e
  • ios
  • catalyst_6807-xl
  • catalyst_6513-e
  • catalyst_6509-e
  • catalyst_6509-v-e
CWE
CWE-248

Uncaught Exception