Exploited
CWE
772
Advisory Published
Updated

CVE-2024-20481: Cisco ASA and FTD Denial-of-Service Vulnerability

First published: Wed Oct 23 2024(Updated: )

A vulnerability in the Remote Access VPN (RAVPN) service of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) of the RAVPN service. This vulnerability is due to resource exhaustion. An attacker could exploit this vulnerability by sending a large number of VPN authentication requests to an affected device. A successful exploit could allow the attacker to exhaust resources, resulting in a DoS of the RAVPN service on the affected device. Depending on the impact of the attack, a reload of the device may be required to restore the RAVPN service. Services that are not related to VPN are not affected. Cisco Talos discussed these attacks in the blog post Large-scale brute-force activity targeting VPNs, SSH services with commonly used login credentials.

Credit: ykramarz@cisco.com ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)
Cisco Firepower Threat Defense Software=6.2.3
Cisco Firepower Threat Defense Software=6.2.3.1
Cisco Firepower Threat Defense Software=6.2.3.2
Cisco Firepower Threat Defense Software=6.2.3.3
Cisco Firepower Threat Defense Software=6.2.3.4
Cisco Firepower Threat Defense Software=6.2.3.5
Cisco Firepower Threat Defense Software=6.2.3.6
Cisco Firepower Threat Defense Software=6.2.3.7
Cisco Firepower Threat Defense Software=6.2.3.8
Cisco Firepower Threat Defense Software=6.2.3.9
Cisco Firepower Threat Defense Software=6.2.3.10
Cisco Firepower Threat Defense Software=6.2.3.11
Cisco Firepower Threat Defense Software=6.2.3.12
Cisco Firepower Threat Defense Software=6.2.3.13
Cisco Firepower Threat Defense Software=6.2.3.14
Cisco Firepower Threat Defense Software=6.2.3.15
Cisco Firepower Threat Defense Software=6.2.3.16
Cisco Firepower Threat Defense Software=6.2.3.17
Cisco Firepower Threat Defense Software=6.2.3.18
Cisco Firepower Threat Defense Software=6.4.0
Cisco Firepower Threat Defense Software=6.4.0.1
Cisco Firepower Threat Defense Software=6.4.0.2
Cisco Firepower Threat Defense Software=6.4.0.3
Cisco Firepower Threat Defense Software=6.4.0.4
Cisco Firepower Threat Defense Software=6.4.0.5
Cisco Firepower Threat Defense Software=6.4.0.6
Cisco Firepower Threat Defense Software=6.4.0.7
Cisco Firepower Threat Defense Software=6.4.0.8
Cisco Firepower Threat Defense Software=6.4.0.9
Cisco Firepower Threat Defense Software=6.4.0.10
Cisco Firepower Threat Defense Software=6.4.0.11
Cisco Firepower Threat Defense Software=6.4.0.12
Cisco Firepower Threat Defense Software=6.4.0.13
Cisco Firepower Threat Defense Software=6.4.0.14
Cisco Firepower Threat Defense Software=6.4.0.15
Cisco Firepower Threat Defense Software=6.4.0.16
Cisco Firepower Threat Defense Software=6.4.0.17
Cisco Firepower Threat Defense Software=6.4.0.18
Cisco Firepower Threat Defense Software=6.6.0
Cisco Firepower Threat Defense Software=6.6.0.1
Cisco Firepower Threat Defense Software=6.6.1
Cisco Firepower Threat Defense Software=6.6.3
Cisco Firepower Threat Defense Software=6.6.4
Cisco Firepower Threat Defense Software=6.6.5
Cisco Firepower Threat Defense Software=6.6.5.1
Cisco Firepower Threat Defense Software=6.6.5.2
Cisco Firepower Threat Defense Software=6.6.7
Cisco Firepower Threat Defense Software=6.6.7.1
Cisco Firepower Threat Defense Software=6.6.7.2
Cisco Firepower Threat Defense Software=6.7.0
Cisco Firepower Threat Defense Software=6.7.0.1
Cisco Firepower Threat Defense Software=6.7.0.2
Cisco Firepower Threat Defense Software=6.7.0.3
Cisco Firepower Threat Defense Software=7.0.0
Cisco Firepower Threat Defense Software=7.0.0.1
Cisco Firepower Threat Defense Software=7.0.1
Cisco Firepower Threat Defense Software=7.0.1.1
Cisco Firepower Threat Defense Software=7.0.2
Cisco Firepower Threat Defense Software=7.0.2.1
Cisco Firepower Threat Defense Software=7.0.3
Cisco Firepower Threat Defense Software=7.0.4
Cisco Firepower Threat Defense Software=7.0.5
Cisco Firepower Threat Defense Software=7.0.6
Cisco Firepower Threat Defense Software=7.0.6.1
Cisco Firepower Threat Defense Software=7.0.6.2
Cisco Firepower Threat Defense Software=7.1.0
Cisco Firepower Threat Defense Software=7.1.0.1
Cisco Firepower Threat Defense Software=7.1.0.2
Cisco Firepower Threat Defense Software=7.1.0.3
Cisco Firepower Threat Defense Software=7.2.0
Cisco Firepower Threat Defense Software=7.2.0.1
Cisco Firepower Threat Defense Software=7.2.1
Cisco Firepower Threat Defense Software=7.2.2
Cisco Firepower Threat Defense Software=7.2.3
Cisco Firepower Threat Defense Software=7.2.4
Cisco Firepower Threat Defense Software=7.2.4.1
Cisco Firepower Threat Defense Software=7.2.5
Cisco Firepower Threat Defense Software=7.2.5.1
Cisco Firepower Threat Defense Software=7.2.5.2
Cisco Firepower Threat Defense Software=7.2.6
Cisco Firepower Threat Defense Software=7.2.7
Cisco Firepower Threat Defense Software=7.2.8
Cisco Firepower Threat Defense Software=7.2.8.1
Cisco Firepower Threat Defense Software=7.3.0
Cisco Firepower Threat Defense Software=7.3.1
Cisco Firepower Threat Defense Software=7.3.1.1
Cisco Firepower Threat Defense Software=7.3.1.2
Cisco Firepower Threat Defense Software=7.4.0
Cisco Firepower Threat Defense Software=7.4.1
Cisco Firepower Threat Defense Software=7.4.1.1
Cisco Adaptive Security Appliance Software=9.8.1
Cisco Adaptive Security Appliance Software=9.8.1.5
Cisco Adaptive Security Appliance Software=9.8.1.7
Cisco Adaptive Security Appliance Software=9.8.2
Cisco Adaptive Security Appliance Software=9.8.2.8
Cisco Adaptive Security Appliance Software=9.8.2.14
Cisco Adaptive Security Appliance Software=9.8.2.15
Cisco Adaptive Security Appliance Software=9.8.2.17
Cisco Adaptive Security Appliance Software=9.8.2.20
Cisco Adaptive Security Appliance Software=9.8.2.24
Cisco Adaptive Security Appliance Software=9.8.2.26
Cisco Adaptive Security Appliance Software=9.8.2.28
Cisco Adaptive Security Appliance Software=9.8.2.33
Cisco Adaptive Security Appliance Software=9.8.2.35
Cisco Adaptive Security Appliance Software=9.8.2.38
Cisco Adaptive Security Appliance Software=9.8.2.45
Cisco Adaptive Security Appliance Software=9.8.3
Cisco Adaptive Security Appliance Software=9.8.3.8
Cisco Adaptive Security Appliance Software=9.8.3.11
Cisco Adaptive Security Appliance Software=9.8.3.14
Cisco Adaptive Security Appliance Software=9.8.3.16
Cisco Adaptive Security Appliance Software=9.8.3.18
Cisco Adaptive Security Appliance Software=9.8.3.21
Cisco Adaptive Security Appliance Software=9.8.3.26
Cisco Adaptive Security Appliance Software=9.8.3.29
Cisco Adaptive Security Appliance Software=9.8.4
Cisco Adaptive Security Appliance Software=9.8.4.3
Cisco Adaptive Security Appliance Software=9.8.4.7
Cisco Adaptive Security Appliance Software=9.8.4.8
Cisco Adaptive Security Appliance Software=9.8.4.10
Cisco Adaptive Security Appliance Software=9.8.4.12
Cisco Adaptive Security Appliance Software=9.8.4.15
Cisco Adaptive Security Appliance Software=9.8.4.17
Cisco Adaptive Security Appliance Software=9.8.4.20
Cisco Adaptive Security Appliance Software=9.8.4.22
Cisco Adaptive Security Appliance Software=9.8.4.25
Cisco Adaptive Security Appliance Software=9.8.4.26
Cisco Adaptive Security Appliance Software=9.8.4.29
Cisco Adaptive Security Appliance Software=9.8.4.32
Cisco Adaptive Security Appliance Software=9.8.4.33
Cisco Adaptive Security Appliance Software=9.8.4.34
Cisco Adaptive Security Appliance Software=9.8.4.35
Cisco Adaptive Security Appliance Software=9.8.4.39
Cisco Adaptive Security Appliance Software=9.8.4.40
Cisco Adaptive Security Appliance Software=9.8.4.41
Cisco Adaptive Security Appliance Software=9.8.4.43
Cisco Adaptive Security Appliance Software=9.8.4.44
Cisco Adaptive Security Appliance Software=9.8.4.45
Cisco Adaptive Security Appliance Software=9.8.4.46
Cisco Adaptive Security Appliance Software=9.8.4.48
Cisco Adaptive Security Appliance Software=9.12.1
Cisco Adaptive Security Appliance Software=9.12.1.2
Cisco Adaptive Security Appliance Software=9.12.1.3
Cisco Adaptive Security Appliance Software=9.12.2
Cisco Adaptive Security Appliance Software=9.12.2.1
Cisco Adaptive Security Appliance Software=9.12.2.4
Cisco Adaptive Security Appliance Software=9.12.2.5
Cisco Adaptive Security Appliance Software=9.12.2.9
Cisco Adaptive Security Appliance Software=9.12.3
Cisco Adaptive Security Appliance Software=9.12.3.2
Cisco Adaptive Security Appliance Software=9.12.3.7
Cisco Adaptive Security Appliance Software=9.12.3.9
Cisco Adaptive Security Appliance Software=9.12.3.12
Cisco Adaptive Security Appliance Software=9.12.4
Cisco Adaptive Security Appliance Software=9.12.4.2
Cisco Adaptive Security Appliance Software=9.12.4.4
Cisco Adaptive Security Appliance Software=9.12.4.7
Cisco Adaptive Security Appliance Software=9.12.4.8
Cisco Adaptive Security Appliance Software=9.12.4.10
Cisco Adaptive Security Appliance Software=9.12.4.13
Cisco Adaptive Security Appliance Software=9.12.4.18
Cisco Adaptive Security Appliance Software=9.12.4.24
Cisco Adaptive Security Appliance Software=9.12.4.26
Cisco Adaptive Security Appliance Software=9.12.4.29
Cisco Adaptive Security Appliance Software=9.12.4.30
Cisco Adaptive Security Appliance Software=9.12.4.35
Cisco Adaptive Security Appliance Software=9.12.4.37
Cisco Adaptive Security Appliance Software=9.12.4.38
Cisco Adaptive Security Appliance Software=9.12.4.39
Cisco Adaptive Security Appliance Software=9.12.4.40
Cisco Adaptive Security Appliance Software=9.12.4.41
Cisco Adaptive Security Appliance Software=9.12.4.47
Cisco Adaptive Security Appliance Software=9.12.4.48
Cisco Adaptive Security Appliance Software=9.12.4.50
Cisco Adaptive Security Appliance Software=9.12.4.52
Cisco Adaptive Security Appliance Software=9.12.4.54
Cisco Adaptive Security Appliance Software=9.12.4.55
Cisco Adaptive Security Appliance Software=9.12.4.56
Cisco Adaptive Security Appliance Software=9.12.4.58
Cisco Adaptive Security Appliance Software=9.12.4.62
Cisco Adaptive Security Appliance Software=9.12.4.65
Cisco Adaptive Security Appliance Software=9.12.4.67
Cisco Adaptive Security Appliance Software=9.14.1
Cisco Adaptive Security Appliance Software=9.14.1.6
Cisco Adaptive Security Appliance Software=9.14.1.10
Cisco Adaptive Security Appliance Software=9.14.1.15
Cisco Adaptive Security Appliance Software=9.14.1.19
Cisco Adaptive Security Appliance Software=9.14.1.30
Cisco Adaptive Security Appliance Software=9.14.2
Cisco Adaptive Security Appliance Software=9.14.2.4
Cisco Adaptive Security Appliance Software=9.14.2.8
Cisco Adaptive Security Appliance Software=9.14.2.13
Cisco Adaptive Security Appliance Software=9.14.2.15
Cisco Adaptive Security Appliance Software=9.14.3
Cisco Adaptive Security Appliance Software=9.14.3.1
Cisco Adaptive Security Appliance Software=9.14.3.9
Cisco Adaptive Security Appliance Software=9.14.3.11
Cisco Adaptive Security Appliance Software=9.14.3.13
Cisco Adaptive Security Appliance Software=9.14.3.15
Cisco Adaptive Security Appliance Software=9.14.3.18
Cisco Adaptive Security Appliance Software=9.14.4
Cisco Adaptive Security Appliance Software=9.14.4.6
Cisco Adaptive Security Appliance Software=9.14.4.7
Cisco Adaptive Security Appliance Software=9.14.4.12
Cisco Adaptive Security Appliance Software=9.14.4.13
Cisco Adaptive Security Appliance Software=9.14.4.14
Cisco Adaptive Security Appliance Software=9.14.4.15
Cisco Adaptive Security Appliance Software=9.14.4.17
Cisco Adaptive Security Appliance Software=9.14.4.22
Cisco Adaptive Security Appliance Software=9.14.4.23
Cisco Adaptive Security Appliance Software=9.14.4.24
Cisco Adaptive Security Appliance Software=9.15.1
Cisco Adaptive Security Appliance Software=9.15.1.1
Cisco Adaptive Security Appliance Software=9.15.1.7
Cisco Adaptive Security Appliance Software=9.15.1.10
Cisco Adaptive Security Appliance Software=9.15.1.15
Cisco Adaptive Security Appliance Software=9.15.1.16
Cisco Adaptive Security Appliance Software=9.15.1.17
Cisco Adaptive Security Appliance Software=9.15.1.21
Cisco Adaptive Security Appliance Software=9.16.1
Cisco Adaptive Security Appliance Software=9.16.1.28
Cisco Adaptive Security Appliance Software=9.16.2
Cisco Adaptive Security Appliance Software=9.16.2.3
Cisco Adaptive Security Appliance Software=9.16.2.7
Cisco Adaptive Security Appliance Software=9.16.2.11
Cisco Adaptive Security Appliance Software=9.16.2.13
Cisco Adaptive Security Appliance Software=9.16.2.14
Cisco Adaptive Security Appliance Software=9.16.3
Cisco Adaptive Security Appliance Software=9.16.3.3
Cisco Adaptive Security Appliance Software=9.16.3.14
Cisco Adaptive Security Appliance Software=9.16.3.15
Cisco Adaptive Security Appliance Software=9.16.3.19
Cisco Adaptive Security Appliance Software=9.16.3.23
Cisco Adaptive Security Appliance Software=9.16.4
Cisco Adaptive Security Appliance Software=9.16.4.9
Cisco Adaptive Security Appliance Software=9.16.4.14
Cisco Adaptive Security Appliance Software=9.16.4.18
Cisco Adaptive Security Appliance Software=9.16.4.19
Cisco Adaptive Security Appliance Software=9.16.4.27
Cisco Adaptive Security Appliance Software=9.16.4.38
Cisco Adaptive Security Appliance Software=9.16.4.39
Cisco Adaptive Security Appliance Software=9.16.4.42
Cisco Adaptive Security Appliance Software=9.16.4.48
Cisco Adaptive Security Appliance Software=9.16.4.55
Cisco Adaptive Security Appliance Software=9.16.4.57
Cisco Adaptive Security Appliance Software=9.16.4.61
Cisco Adaptive Security Appliance Software=9.17.1
Cisco Adaptive Security Appliance Software=9.17.1.7
Cisco Adaptive Security Appliance Software=9.17.1.9
Cisco Adaptive Security Appliance Software=9.17.1.10
Cisco Adaptive Security Appliance Software=9.17.1.11
Cisco Adaptive Security Appliance Software=9.17.1.13
Cisco Adaptive Security Appliance Software=9.17.1.15
Cisco Adaptive Security Appliance Software=9.17.1.20
Cisco Adaptive Security Appliance Software=9.17.1.30
Cisco Adaptive Security Appliance Software=9.17.1.33
Cisco Adaptive Security Appliance Software=9.17.1.39
Cisco Adaptive Security Appliance Software=9.18.1
Cisco Adaptive Security Appliance Software=9.18.1.3
Cisco Adaptive Security Appliance Software=9.18.2
Cisco Adaptive Security Appliance Software=9.18.2.5
Cisco Adaptive Security Appliance Software=9.18.2.7
Cisco Adaptive Security Appliance Software=9.18.2.8
Cisco Adaptive Security Appliance Software=9.18.3
Cisco Adaptive Security Appliance Software=9.18.3.39
Cisco Adaptive Security Appliance Software=9.18.3.46
Cisco Adaptive Security Appliance Software=9.18.3.53
Cisco Adaptive Security Appliance Software=9.18.3.55
Cisco Adaptive Security Appliance Software=9.18.3.56
Cisco Adaptive Security Appliance Software=9.18.4
Cisco Adaptive Security Appliance Software=9.18.4.5
Cisco Adaptive Security Appliance Software=9.18.4.8
Cisco Adaptive Security Appliance Software=9.18.4.22
Cisco Adaptive Security Appliance Software=9.18.4.24
Cisco Adaptive Security Appliance Software=9.19.1
Cisco Adaptive Security Appliance Software=9.19.1.5
Cisco Adaptive Security Appliance Software=9.19.1.9
Cisco Adaptive Security Appliance Software=9.19.1.12
Cisco Adaptive Security Appliance Software=9.19.1.18
Cisco Adaptive Security Appliance Software=9.19.1.22
Cisco Adaptive Security Appliance Software=9.19.1.24
Cisco Adaptive Security Appliance Software=9.19.1.27
Cisco Adaptive Security Appliance Software=9.19.1.28
Cisco Adaptive Security Appliance Software=9.19.1.31
Cisco Adaptive Security Appliance Software=9.20.1
Cisco Adaptive Security Appliance Software=9.20.1.5
Cisco Adaptive Security Appliance Software=9.20.2
Cisco Adaptive Security Appliance Software=9.20.2.10
Cisco Adaptive Security Appliance Software=9.20.2.21

Remedy

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203