CVE-2017-3878

Published: Mar 17, 2017Modified: May 13, 2026

5.3

Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Exploitability: 3.9 / Impact: 1.4

Source: NVD

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).

Affected (1)

Products: Cisco: Nx Os

Cisco

1 product

Nx Os

Configuration A

1 vulnerable · 19 platform

Vulnerable Software	Affected Versions
Cisco Nx Os	Version 7.0(3)i3(0.170)

Running on/with	Platform Versions
Cisco Nexus 92160yc Switch	All versions
Cisco Nexus 92300yc Switch	All versions
Cisco Nexus 92304qc Switch	All versions
Cisco Nexus 9236c Switch	All versions
Cisco Nexus 9272q Switch	All versions
Cisco Nexus 93108tc Ex Switch	All versions
Cisco Nexus 93120tx Switch	All versions
Cisco Nexus 93128tx Switch	All versions
Cisco Nexus 93180lc Ex Switch	All versions
Cisco Nexus 93180yc Ex Switch	All versions
Cisco Nexus 9332pq Switch	All versions
Cisco Nexus 9336pq Aci Spine Switch	All versions
Cisco Nexus 9372px E Switch	All versions
Cisco Nexus 9372px Switch	All versions
Cisco Nexus 9372tx E Switch	All versions
Cisco Nexus 9372tx Switch	All versions
Cisco Nexus 9396px Switch	All versions
Cisco Nexus 9396tx Switch	All versions
Cisco Nexus 9508 Switch	All versions