Vulnerability Description
A Denial of Service vulnerability in the Telnet remote login functionality of Cisco NX-OS Software running on Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to cause a Telnet process used for login to terminate unexpectedly and the login attempt to fail. There is no impact to user traffic flowing through the device. Affected Products: This vulnerability affects Cisco Nexus 9000 Series Switches that are running Cisco NX-OS Software and are configured to allow remote Telnet connections to the device. More Information: CSCux46778. Known Affected Releases: 7.0(3)I3(0.170). Known Fixed Releases: 7.0(3)I3(1) 7.0(3)I3(0.257) 7.0(3)I3(0.255) 7.0(3)I2(2e) 7.0(3)F1(1.22) 7.0(3)F1(1).
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Nx-Os | 7.0\(3\)i3\(0.170\) |
| Cisco | Nexus 92160Yc Switch | - |
| Cisco | Nexus 92300Yc Switch | - |
| Cisco | Nexus 92304Qc Switch | - |
| Cisco | Nexus 9236C Switch | - |
| Cisco | Nexus 9272Q Switch | - |
| Cisco | Nexus 93108Tc-Ex Switch | - |
| Cisco | Nexus 93120Tx Switch | - |
| Cisco | Nexus 93128Tx Switch | - |
| Cisco | Nexus 93180Lc-Ex Switch | - |
| Cisco | Nexus 93180Yc-Ex Switch | - |
| Cisco | Nexus 9332Pq Switch | - |
| Cisco | Nexus 9336Pq Aci Spine Switch | - |
| Cisco | Nexus 9372Px-E Switch | - |
| Cisco | Nexus 9372Px Switch | - |
| Cisco | Nexus 9372Tx-E Switch | - |
| Cisco | Nexus 9372Tx Switch | - |
| Cisco | Nexus 9396Px Switch | - |
| Cisco | Nexus 9396Tx Switch | - |
| Cisco | Nexus 9508 Switch | - |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/96927Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038047
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory
- http://www.securityfocus.com/bid/96927Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038047
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory
FAQ
What is CVE-2017-3878?
CVE-2017-3878 is a vulnerability with a CVSS score of 5.3 (MEDIUM). A Denial of Service vulnerability in the Telnet remote login functionality of Cisco NX-OS Software running on Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to cause ...
How severe is CVE-2017-3878?
CVE-2017-3878 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-3878?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Nx-Os, Cisco Nexus 92160Yc Switch, Cisco Nexus 92300Yc Switch, Cisco Nexus 92304Qc Switch, Cisco Nexus 9236C Switch.