PT-2020-4717 · Cisco · Cisco Firepower Management Center (Fmc)

Published 2020-10-21 · Updated 2024-11-26 · CVE-2020-3557

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions: Cisco Firepower Management Center (FMC) Software (affected versions not specified)

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 issue is due to improper certificate validation. An attacker could exploit this by sending a crafted data stream to the host input daemon, causing it to restart. Repeated attacks could lead to continuous reloads, resulting in a DoS condition for the API.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

BDU:2020-05269

CVE-2020-3557

Affected Products

Cisco Firepower Management Center (Fmc)

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2020-3557 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-dos-3WymYWKh · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-05269 · Security Note
• https://osv.dev/vulnerability/CVE-2020-3557 · Vendor Advisory