cisco-sa-fp2k-IPsec-dos-tjwgdZCO: Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software for Firepower 2100 Series IPv6 over IPsec Denial of Service Vulnerability

Published Aug 14, 2025
·
Updated

A vulnerability in the RADIUS proxy feature for the IPsec VPN feature of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS)

Affected Software

2 affected components
Cisco Secure Firewall Adaptive Security Appliance
Cisco Secure Firewall Threat Defense

Event History

Aug 14, 2025
Advisory Published
via Cisco·04:00 PM
Data Sourced
via Cisco·04:00 PM
DescriptionSeverityWeakness

Child vulnerabilities

Contains the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of cisco-sa-fp2k-IPsec-dos-tjwgdZCO?

The severity of cisco-sa-fp2k-IPsec-dos-tjwgdZCO is high, as it can lead to a denial of service condition.

2

How do I fix cisco-sa-fp2k-IPsec-dos-tjwgdZCO?

To fix cisco-sa-fp2k-IPsec-dos-tjwgdZCO, you should upgrade to a version of Cisco Secure Firewall ASA or FTD Software that addresses the vulnerability.

3

What can an attacker do with cisco-sa-fp2k-IPsec-dos-tjwgdZCO?

An attacker exploiting cisco-sa-fp2k-IPsec-dos-tjwgdZCO can cause a denial of service on affected Cisco devices, disrupting operations.

4

Which Cisco products are affected by cisco-sa-fp2k-IPsec-dos-tjwgdZCO?

Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software are affected by cisco-sa-fp2k-IPsec-dos-tjwgdZCO.

5

Is authentication required to exploit cisco-sa-fp2k-IPsec-dos-tjwgdZCO?

No, authentication is not required to exploit cisco-sa-fp2k-IPsec-dos-tjwgdZCO, allowing unauthenticated remote attackers to target the vulnerability.

Contact

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