Input validation error in Cisco Systems, Inc products - CVE-2020-3170
Published: February 27, 2020
Vulnerability identifier: #VU25659
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-3170
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco NX-OS
Cisco MDS 9000 Series Multilayer Switches
Cisco Nexus 7000 Series Switches
Cisco NX-OS
Cisco MDS 9000 Series Multilayer Switches
Cisco Nexus 7000 Series Switches
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect validation of the HTTP header of a request that is sent to the NX-API. A remote attacker can send a specially crafted HTTP request and cause a denial of service condition in the NX-API service.
How to mitigate CVE-2020-3170
Install updates from vendor's website.