cvedb.io
CVE-2021-40118
HIGH · CVSS 8.6
EPSS exploitation probability: 0%
Published 2021-10-27T19:15:08.823 · Last modified 2026-06-17T04:06:33.280

Summary

A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition. This vulnerability is due to improper input validation when parsing HTTPS requests. An attacker could exploit this vulnerability by sending a malicious HTTPS request to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Affected products

cisco — adaptive_security_appliance

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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.