CVE-2017-3878
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…
Does this matter?
Lower severity and a low EPSS score (2.95%). Track it; it rarely justifies an emergency change on its own.
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 3.0
- 5.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- EPSS
- 2.95% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- cisco/nx-os
- Source
- psirt@cisco.com
References
- http://www.securityfocus.com/bid/96927Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038047
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170315-nssVendor Advisory
- http://www.securityfocus.com/bid/96927Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038047
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170315-nssVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.