CVE-2020-3557

A vulnerability in the host input API daemon of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper certificate validation. An attacker could exploit this vulnerability by sending a crafted data stream to the host input daemon of the affected device. A successful exploit could allow the attacker to cause the host input daemon to restart. The attacker could use repeated attacks to cause the daemon to continuously reload, creating a DoS condition for the API.

Score

CVSS 3.1 5.3 Medium

Status

Modified - psirt@cisco.com

Published

2020-10-21

Last modified

2024-11-13

Weaknesses

CWE-295

Affected products

• Cisco Firepower Management Center (Cisco)
• Secure Firewall Management Center (Cisco)

References

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-dos-3WymYWKh