QID 316959

Date Published: 2021-04-30

QID 316959: Cisco Firepower Threat Defense Software Web Services VPN Denial of Service Vulnerabilities(cisco-sa-asa-ftd-vpn-dos-fpBcpEcD)

Multiple vulnerabilities in Firepower Threat Defense (FTD) Software could allow an unauthenticated,
remote attacker to cause a denial of service (DoS) condition on an affected device.

Affected Products
Cisco devices if they are running a vulnerable release of Cisco FTD Software and
are configured for termination of AnyConnect VPN Client connections. Vulnerable versions:
Prior to 6.4.0.12(May 2021)
From 6.5.0 Prior to 6.6.4
From 6.7.0 Prior to 6.7.0.1
Note: Potential detection as not checking vulnerable configuration

QID detection logic:
The QID checks for Cisco FTD version retrieved via Unix Auth using "show version" command.

A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution

    Customers are advised to refer to cisco-sa-asa-ftd-vpn-dos-fpBcpEcD for more information.

    Vendor References

    CVEs related to QID 316959

    CVE-2021-1504 | CVE-2021-1445 |
    Software Advisories
    Advisory ID Software Component Link
    cisco-sa-asa-ftd-vpn-dos-fpBcpEcD URL Logo tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-ftd-vpn-dos-fpBcpEcD
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