Cisco Firepower Threat Defense Software denial of service | CVE-2022-20751
NAME
Cisco Firepower Threat Defense Software denial of service
- Platforms Affected:
Cisco Firepower Threat Defense Software 7.0.0 - Risk Level:
8.6 - Exploitability:
Unproven - Consequences:
Denial of Service
DESCRIPTION
Cisco Firepower Threat Defense Software is vulnerable to a denial of service, caused by insufficient memory management for certain Snort events. By sending a series of specially crafted IP packets that would generate specific Snort events on an affected device, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS 3.0 Information
- Privileges Required: None
- User Interaction: None
- Scope: Changed
- Access Vector: Network
- Access Complexity: Low
- Confidentiality Impact: None
- Integrity Impact: None
- Availability Impact: High
- Remediation Level: Official Fix
MITIGATION
Refer to Cisco Security Advisory cisco-sa-ftd-snort-dos-hd2hFgM for patch, upgrade or suggested workaround information. See References.
- Reference Link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort-dos-hd2hFgM - Reference Link:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-20751
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