cvedb.io
CVE-2024-20353
HIGH · CVSS 8.6 ⚠ KEV — EXPLOITED
EPSS exploitation probability: 99%
⚠ Listed in the CISA Known Exploited Vulnerabilities catalog — actively exploited.
Published 2024-04-24 · Last modified 2026-08-11T19:33:44.513

Summary

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.

Affected products

Cisco — Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.