CVE-2019-1890

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Summary

CVECVE-2019-1890
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-07-04 20:15:00 UTC
Updated2020-10-16 15:09:00 UTC
DescriptionA vulnerability in the fabric infrastructure VLAN connection establishment of the Cisco Nexus 9000 Series Application Centric Infrastructure (ACI) Mode Switch Software could allow an unauthenticated, adjacent attacker to bypass security validations and connect an unauthorized server to the infrastructure VLAN. The vulnerability is due to insufficient security requirements during the Link Layer Discovery Protocol (LLDP) setup phase of the infrastructure VLAN. An attacker could exploit this vulnerability by sending a malicious LLDP packet on the adjacent subnet to the Cisco Nexus 9000 Series Switch in ACI mode. A successful exploit could allow the attacker to connect an unauthorized server to the infrastructure VLAN, which is highly privileged. With a connection to the infrastructure VLAN, the attacker can make unauthorized connections to Cisco Application Policy Infrastructure Controller (APIC) services or join other host endpoints.

Risk And Classification

Problem Types: NVD-CWE-Other

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Cisco 9432pq - All All All
Hardware Cisco 9432pq - All All All
Hardware Cisco 9536pq - All All All
Hardware Cisco 9536pq - All All All
Hardware Cisco 9636pq - All All All
Hardware Cisco 9636pq - All All All
Hardware Cisco 9736pq - All All All
Hardware Cisco 9736pq - All All All
Application Cisco Application Policy Infrastructure Controller 7.3(0)zn(0.113) All All All
Application Cisco Application Policy Infrastructure Controller 7.3\(0\)zn\(0.113\) All All All
Application Cisco Application Policy Infrastructure Controller 7.3\(0\)zn\(0.113\) All All All
Hardware Cisco N9k-x9432c-s - All All All
Hardware Cisco N9k-x9432c-s - All All All
Hardware Cisco N9k-x9464px - All All All
Hardware Cisco N9k-x9464px - All All All
Hardware Cisco N9k-x9464tx2 - All All All
Hardware Cisco N9k-x9464tx2 - All All All
Hardware Cisco N9k-x9564px - All All All
Hardware Cisco N9k-x9564px - All All All
Hardware Cisco N9k-x9564tx - All All All
Hardware Cisco N9k-x9564tx - All All All
Hardware Cisco N9k-x9636c-r - All All All
Hardware Cisco N9k-x9636c-r - All All All
Hardware Cisco N9k-x9636c-rx - All All All
Hardware Cisco N9k-x9636c-rx - All All All
Hardware Cisco N9k-x97160yc-ex - All All All
Hardware Cisco N9k-x97160yc-ex - All All All
Hardware Cisco N9k-x9732c-ex - All All All
Hardware Cisco N9k-x9732c-ex - All All All
Hardware Cisco N9k-x9732c-fx - All All All
Hardware Cisco N9k-x9732c-fx - All All All
Hardware Cisco N9k-x9736c-ex - All All All
Hardware Cisco N9k-x9736c-ex - All All All
Hardware Cisco N9k-x9736c-fx - All All All
Hardware Cisco N9k-x9736c-fx - All All All
Hardware Cisco N9k-x9788tc-fx - All All All
Hardware Cisco N9k-x9788tc-fx - All All All
Hardware Cisco Nexus 92160yc-x - All All All
Hardware Cisco Nexus 92160yc-x - All All All
Hardware Cisco Nexus 93108tc-ex - All All All
Hardware Cisco Nexus 93108tc-ex - All All All
Hardware Cisco Nexus 93108tc-fx - All All All
Hardware Cisco Nexus 93108tc-fx - All All All
Hardware Cisco Nexus 93120tx - All All All
Hardware Cisco Nexus 93120tx - All All All
Hardware Cisco Nexus 9316d-gx - All All All
Hardware Cisco Nexus 9316d-gx - All All All
Hardware Cisco Nexus 93180yc-ex - All All All
Hardware Cisco Nexus 93180yc-ex - All All All
Hardware Cisco Nexus 93180yc-fx - All All All
Hardware Cisco Nexus 93180yc-fx - All All All
Hardware Cisco Nexus 93216tc-fx2 - All All All
Hardware Cisco Nexus 93216tc-fx2 - All All All
Hardware Cisco Nexus 93240yc-fx2 - All All All
Hardware Cisco Nexus 93240yc-fx2 - All All All
Hardware Cisco Nexus 9332c - All All All
Hardware Cisco Nexus 9332c - All All All
Hardware Cisco Nexus 93360yc-fx2 - All All All
Hardware Cisco Nexus 93360yc-fx2 - All All All
Hardware Cisco Nexus 9336c-fx2 - All All All
Hardware Cisco Nexus 9336c-fx2 - All All All
Hardware Cisco Nexus 9348gc-fxp - All All All
Hardware Cisco Nexus 9348gc-fxp - All All All
Hardware Cisco Nexus 93600cd-gx - All All All
Hardware Cisco Nexus 93600cd-gx - All All All
Hardware Cisco Nexus 9364c - All All All
Hardware Cisco Nexus 9364c - All All All
Hardware Cisco X9636q-r - All All All
Hardware Cisco X9636q-r - All All All

References

ReferenceSourceLinkTags
Cisco Nexus 9000 Series Fabric Switches CVE-2019-1890 Access Bypass Vulnerability BID www.securityfocus.com Third Party Advisory, VDB Entry
Cisco Nexus 9000 Series Fabric Switches ACI Mode Fabric Infrastructure VLAN Unauthorized Access Vulnerability CISCO tools.cisco.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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