Exploited
8.6
CWE
835
Advisory Published
CVE Published
Updated

CVE-2024-20353: Cisco ASA and FTD Denial of Service Vulnerability

First published: Wed Apr 24 2024(Updated: )

A vulnerability in the management and VPN web servers for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to incomplete error checking when parsing an HTTP header. An attacker could exploit this vulnerability by sending a crafted HTTP request to a targeted web server on a device. A successful exploit could allow the attacker to cause a DoS condition when the device reloads.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)
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=9.8.3
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=9.14.1
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=9.15.1
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=9.17.1
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=9.18.1
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=9.19.1
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=9.20.1
Cisco Adaptive Security Appliance Software=9.20.1.5
Cisco Adaptive Security Appliance Software=9.20.2
Cisco Firepower Threat Defense=6.2.3
Cisco Firepower Threat Defense=6.2.3.1
Cisco Firepower Threat Defense=6.2.3.2
Cisco Firepower Threat Defense=6.2.3.3
Cisco Firepower Threat Defense=6.2.3.4
Cisco Firepower Threat Defense=6.2.3.5
Cisco Firepower Threat Defense=6.2.3.6
Cisco Firepower Threat Defense=6.2.3.7
Cisco Firepower Threat Defense=6.2.3.8
Cisco Firepower Threat Defense=6.2.3.9
Cisco Firepower Threat Defense=6.2.3.10
Cisco Firepower Threat Defense=6.2.3.11
Cisco Firepower Threat Defense=6.2.3.12
Cisco Firepower Threat Defense=6.2.3.13
Cisco Firepower Threat Defense=6.2.3.14
Cisco Firepower Threat Defense=6.2.3.15
Cisco Firepower Threat Defense=6.2.3.16
Cisco Firepower Threat Defense=6.2.3.17
Cisco Firepower Threat Defense=6.2.3.18
Cisco Firepower Threat Defense=6.4.0
Cisco Firepower Threat Defense=6.4.0.1
Cisco Firepower Threat Defense=6.4.0.2
Cisco Firepower Threat Defense=6.4.0.3
Cisco Firepower Threat Defense=6.4.0.4
Cisco Firepower Threat Defense=6.4.0.5
Cisco Firepower Threat Defense=6.4.0.6
Cisco Firepower Threat Defense=6.4.0.7
Cisco Firepower Threat Defense=6.4.0.8
Cisco Firepower Threat Defense=6.4.0.9
Cisco Firepower Threat Defense=6.4.0.10
Cisco Firepower Threat Defense=6.4.0.11
Cisco Firepower Threat Defense=6.4.0.12
Cisco Firepower Threat Defense=6.4.0.13
Cisco Firepower Threat Defense=6.4.0.14
Cisco Firepower Threat Defense=6.4.0.15
Cisco Firepower Threat Defense=6.4.0.16
Cisco Firepower Threat Defense=6.4.0.17
Cisco Firepower Threat Defense=6.6.0
Cisco Firepower Threat Defense=6.6.0.1
Cisco Firepower Threat Defense=6.6.1
Cisco Firepower Threat Defense=6.6.3
Cisco Firepower Threat Defense=6.6.4
Cisco Firepower Threat Defense=6.6.5
Cisco Firepower Threat Defense=6.6.5.1
Cisco Firepower Threat Defense=6.6.5.2
Cisco Firepower Threat Defense=6.6.7
Cisco Firepower Threat Defense=6.6.7.1
Cisco Firepower Threat Defense=6.7.0
Cisco Firepower Threat Defense=6.7.0.1
Cisco Firepower Threat Defense=6.7.0.2
Cisco Firepower Threat Defense=6.7.0.3
Cisco Firepower Threat Defense=7.0.0
Cisco Firepower Threat Defense=7.0.0.1
Cisco Firepower Threat Defense=7.0.1
Cisco Firepower Threat Defense=7.0.1.1
Cisco Firepower Threat Defense=7.0.2
Cisco Firepower Threat Defense=7.0.2.1
Cisco Firepower Threat Defense=7.0.3
Cisco Firepower Threat Defense=7.0.4
Cisco Firepower Threat Defense=7.0.5
Cisco Firepower Threat Defense=7.0.6
Cisco Firepower Threat Defense=7.0.6.1
Cisco Firepower Threat Defense=7.1.0
Cisco Firepower Threat Defense=7.1.0.1
Cisco Firepower Threat Defense=7.1.0.2
Cisco Firepower Threat Defense=7.1.0.3
Cisco Firepower Threat Defense=7.2.0
Cisco Firepower Threat Defense=7.2.0.1
Cisco Firepower Threat Defense=7.2.1
Cisco Firepower Threat Defense=7.2.2
Cisco Firepower Threat Defense=7.2.3
Cisco Firepower Threat Defense=7.2.4
Cisco Firepower Threat Defense=7.2.4.1
Cisco Firepower Threat Defense=7.2.5
Cisco Firepower Threat Defense=7.2.5.1
Cisco Firepower Threat Defense=7.3.0
Cisco Firepower Threat Defense=7.3.1
Cisco Firepower Threat Defense=7.3.1.1
Cisco Firepower Threat Defense=7.4.0
Cisco Firepower Threat Defense=7.4.1

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