Vulnerability Description
A vulnerability in the Cisco Fabric Services component of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause process crashes, which can result in a denial of service (DoS) condition on an affected system. The vulnerability is due to insufficient validation of TCP packets when processed by the Cisco Fabric Services over IP (CFSoIP) feature. An attacker could exploit this vulnerability by sending a malicious Cisco Fabric Services TCP packet to an affected device. A successful exploit could allow the attacker to cause process crashes, resulting in a device reload and a DoS condition. Note: There are three distribution methods that can be configured for Cisco Fabric Services. This vulnerability affects only distribution method CFSoIP, which is disabled by default. See the Details section for more information.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Nx-Os | >= 5.2, < 6.2\(29\) |
| Cisco | Mds 9132T | - |
| Cisco | Mds 9148S | - |
| Cisco | Mds 9148T | - |
| Cisco | Mds 9216 | - |
| Cisco | Mds 9216A | - |
| Cisco | Mds 9216I | - |
| Cisco | Mds 9222I | - |
| Cisco | Mds 9250I | - |
| Cisco | Mds 9396S | - |
| Cisco | Mds 9396T | - |
| Cisco | Mds 9506 | - |
| Cisco | Mds 9509 | - |
| Cisco | Mds 9513 | - |
| Cisco | Mds 9706 | - |
| Cisco | Mds 9710 | - |
| Cisco | Mds 9718 | - |
| Cisco | N9K-C9504-Fm-R | - |
| Cisco | N9K-C9508-Fm-R | - |
| Cisco | N9K-X96136Yc-R | - |
Related Weaknesses (CWE)
References
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory
FAQ
What is CVE-2019-1962?
CVE-2019-1962 is a vulnerability with a CVSS score of 8.6 (HIGH). A vulnerability in the Cisco Fabric Services component of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause process crashes, which can result in a denial of service (DoS) c...
How severe is CVE-2019-1962?
CVE-2019-1962 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-1962?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Nx-Os, Cisco Mds 9132T, Cisco Mds 9148S, Cisco Mds 9148T, Cisco Mds 9216.