CVE-2020-3557

Cisco Firepower Management Center Software Denial of Service Vulnerability

Description

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.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.19%
Vendor Advisory cisco.com
Affected: Cisco Cisco Firepower Management Center
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-dos-3WymYWKh vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-3557?
CVE-2020-3557 has been scored as a medium severity vulnerability.
How to fix CVE-2020-3557?
To fix CVE-2020-3557, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-3557 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-3557 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-3557?
CVE-2020-3557 affects Cisco Cisco Firepower Management Center.
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