Cisco Nexus and Cisco Multilayer Director Switches MOTD Telnet Login Reset (CVE-2015-0775)

critical Tenable OT Security Plugin ID 501307

Synopsis

The remote OT asset is affected by a vulnerability.

Description

The banner (aka MOTD) implementation in Cisco NX-OS 4.1(2)E1(1f) on Nexus 4000 devices, 5.2(1)SV3(2.1) on Nexus 1000V devices, 6.0(2)N2(2) on Nexus 5000 devices, 6.2(11) on MDS 9000 devices, 6.2(12) on Nexus 7000 devices, 7.0(3) on Nexus 9000 devices, and 7.2(0)ZN(99.67) on Nexus 3000 devices allows remote attackers to cause a denial of service (login process reset) via an unspecified terminal-session request during TELNET session setup, aka Bug IDs CSCuo10554, CSCuu75466, CSCuu75471, CSCuu75484, CSCuu75498, CSCuu77170, and CSCuu77182.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

Plugin Details

Severity: Critical

ID: 501307

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 7/25/2023

Updated: 12/25/2023

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2015-0775

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:mds_9000_nx-os:6.2%2811%29, cpe:/o:cisco:nx-os:4.1%282%29e1%281f%29, cpe:/o:cisco:nx-os:6.0%282%29n2%282%29, cpe:/o:cisco:nx-os:6.2%2812%29, cpe:/o:cisco:nx-os:7.2%280%29zn%2899.67%29

Required KB Items: Tenable.ot/Cisco

Exploit Ease: No known exploits are available

Patch Publication Date: 6/12/2015

Vulnerability Publication Date: 6/12/2015

Reference Information

CVE: CVE-2015-0775

CWE: 399

Detections

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