CVE-2019-1595

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

A vulnerability in the Fibre Channel over Ethernet (FCoE) protocol implementation in Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to an incorrect allocation of an internal interface index. An adjacent attacker with the ability to submit a crafted FCoE packet that crosses affected interfaces could trigger this vulnerability. A successful exploit could allow the attacker to cause a packet loop and high throughput on the affected interfaces, resulting in a DoS condition. This vulnerability has been fixed in version 7.3(5)N1(1).

Metrics

CVSS 3.0 6.5/10CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-913

Affected software

Vendor	Product	Versions
Cisco	Cisco NX-OS Software	7.3(5)N1(1)

References

http://www.securityfocus.com/bid/107320Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nexus-fbr-dosPatch, Vendor Advisory
http://www.securityfocus.com/bid/107320Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nexus-fbr-dosPatch, Vendor Advisory

Timeline

Published: Mar 6, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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