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CVE-2019-1977 is a low severity vulnerability with a CVSS score of 0.0. No known exploits currently, and patches are available.
Lower probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
A vulnerability within the Endpoint Learning feature of Cisco Nexus 9000 Series Switches running in Application Centric Infrastructure (ACI) mode could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an endpoint device in certain circumstances. The vulnerability is due to improper endpoint learning when packets are received on a specific port from outside the ACI fabric and destined to an endpoint located on a border leaf when Disable Remote Endpoint Learning has been enabled. This can result in a Remote (XR) entry being created for the impacted endpoint that will become stale if the endpoint migrates to a different port or leaf switch. This results in traffic not reaching the impacted endpoint until the Remote entry can be relearned by another mechanism.
| Vendor | Product |
|---|---|
| Cisco | Nx Os |
| Cisco |
Please cite this page when referencing data from Strobes VI. Proper attribution helps support our vulnerability intelligence research.
| Nexus 9372px E |
| Cisco | Nexus 93120tx |
| Cisco | Nexus 9372tx E |
| Cisco | Nexus 9000 |
| Cisco | Nexus 9396px |
| Cisco | Nexus 9332pq |
| Cisco | Nexus 93180yc Fx |
| Cisco | Nexus 9336pq |
| Cisco | Nexus 93108tc Fx |
And 13 more...