CVE-2019-1616

A vulnerability in the Cisco Fabric Services component of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a buffer overflow, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient validation of Cisco Fabric Services packets. An attacker could exploit this vulnerability by sending a crafted Cisco Fabric Services packet to an affected device. A successful exploit could allow the attacker to cause a buffer overflow, resulting in process crashes and a DoS condition on the device. MDS 9000 Series Multilayer Switches are affected running software versions prior to 6.2(25), 8.1(1b), 8.3(1). Nexus 3000 Series Switches are affected running software versions prior to 7.0(3)I4(9) and 7.0(3)I7(4). Nexus 3500 Platform Switches are affected running software versions prior to 6.0(2)A8(10) and 7.0(3)I7(4). Nexus 3600 Platform Switches are affected running software versions prior to 7.0(3)F3(5) Nexus 7000 and 7700 Series Switches are affected running software versions prior to 6.2(22) and 8.2(3). Nexus 9000 Series Switches in Standalone NX-OS Mode are affected running software versions prior to 7.0(3)I4(9) and 7.0(3)I7(4). Nexus 9500 R-Series Line Cards and Fabric Modules are affected running software versions prior to 7.0(3)F3(5). UCS 6200, 6300, and 6400 Fabric Interconnects are affected running software versions prior to 3.2(3j) and 4.0(2a).

• CWE-20
• CWE-119

• http://www.securityfocus.com/bid/107395Third Party Advisory, VDB Entry
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-fabric-dosVendor Advisory
• http://www.securityfocus.com/bid/107395Third Party Advisory, VDB Entry
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-fabric-dosVendor Advisory

Published

Mar 11, 2019

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2019-16153A hard-coded password vulnerability in the Fortinet FortiSIE…9.8
• CVE-2019-16154An improper neutralization of input during web page generati…6.1
• CVE-2019-16155A privilege escalation vulnerability in FortiClient for Linu…7.1
• CVE-2019-16156An Improper Neutralization of Input vulnerability in the Ano…6.1
• CVE-2019-16157An information exposure vulnerability in Fortinet FortiWeb 6…6.5
• CVE-2019-16159BIRD Internet Routing Daemon 1.6.x through 1.6.7 and 2.x thr…7.5
• CVE-2019-16160An integer underflow in the SMB server of MikroTik RouterOS …7.5
• CVE-2019-16161Onigmo through 6.2.0 has a NULL pointer dereference in onig_…7.5
• CVE-2019-16162Onigmo through 6.2.0 has an out-of-bounds read in parse_char…7.5
• CVE-2019-16163Oniguruma before 6.9.3 allows Stack Exhaustion in regcomp.c …7.5
• CVE-2019-16164MyHTML through 4.0.5 has a NULL pointer dereference in myhtm…6.5
• CVE-2019-16165GNU cflow through 1.6 has a use-after-free in the reference …6.5