Cisco Firepower Threat Defense Software Snort Firewall Denial of Service Vulnerability
CVE-2024-20351

7.5HIGH

Key Information:

Vendor

Cisco
Status
Cisco Firepower Threat Defense Software
Vendor
CVE Published:
23 October 2024

Badges

👾 Exploit Exists

What is CVE-2024-20351?

A vulnerability exists in the TCP/IP traffic handling function of Cisco's Snort Detection Engine within the Firepower Threat Defense (FTD) Software and FirePOWER Services. This flaw allows an unauthenticated, remote adversary to disrupt legitimate network activities by overwhelming the affected system with excessive TCP/IP traffic. Exploiting this vulnerability can result in a denial of service (DoS) condition, where network traffic is erroneously dropped, significantly impairing system performance. To recover from this condition, a reboot of the affected device is required.

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Affected Version(s)

Cisco Firepower Threat Defense Software 6.2.3.14

Cisco Firepower Threat Defense Software 6.4.0.1

Cisco Firepower Threat Defense Software 6.2.3.7

References

https://sec.cloudapps.cisco.com/security/center/content/C...
https://sec.cloudapps.cisco.com/security/center/content/C...
https://sec.cloudapps.cisco.com/security/center/viewErp.x...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

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