CVE-2024-20353
HIGHCVSS v3
8.6
HIGH
EPSS Score
19.5%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical Details
- Published
- 4/24/2024
- CERT-FR Advisory
- CERTFR-2024-ALE-007
- CERT-FR Link
- CERTFR-2024-ALE-007
Frequently Asked Questions
What is CVE-2024-20353?
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.
Is CVE-2024-20353 actively exploited?
Active exploitation of CVE-2024-20353 has not been confirmed. The EPSS score is 19.5%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2024-20353?
CVE-2024-20353 has a CVSS v3 base score of 8.6 (HIGH severity).
Is CVE-2024-20353 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.