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CVE-2024-20320

nvd nist
Published: Mar 13, 2024Modified: Aug 5, 2025

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7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: psirt@cisco.com (Secondary)

Description

A vulnerability in the SSH client feature of Cisco IOS XR Software for Cisco 8000 Series Routers and Cisco Network Convergence System (NCS) 540 Series and 5700 Series Routers could allow an authenticated, local attacker to elevate privileges on an affected device. This vulnerability is due to insufficient validation of arguments that are included with the SSH client CLI command. An attacker with low-privileged access to an affected device could exploit this vulnerability by issuing a crafted SSH client command to the CLI. A successful exploit could allow the attacker to elevate privileges to root on the affected device.

Affected (25)

Products: Cisco: Ios Xr
1 product
Ios Xr
Configuration A
25 vulnerable · 57 platform
Vulnerable SoftwareAffected Versions
Cisco
Version 7.10.1
Version 7.2.1
Version 7.2.2
Version 7.3.15
Version 7.3.1
Version 7.3.2
Version 7.3.3
Version 7.3.5
Version 7.4.1
Version 7.4.2
Version 7.5.1
Version 7.5.2
Version 7.5.3
Version 7.5.4
Version 7.5.5
Version 7.6.1
Version 7.6.2
Version 7.7.1
Version 7.7.21
Version 7.7.2
Version 7.8.1
Version 7.8.2
Version 7.9.1
Version 7.9.21
Version 7.9.2
Running on/withPlatform Versions
Cisco
8011 4g24y4h I
All versions
Cisco
8101 32fh
All versions
Cisco
8101 32fh O
All versions
Cisco
8101 32h O
All versions
Cisco
8102 28fh Dpu O
All versions
Cisco
8102 64h
All versions
Cisco
8102 64h O
All versions
Cisco
8111 32eh O
All versions
Cisco
8122 64eh O
All versions
Cisco
8122 64ehf O
All versions
Cisco
8201
All versions
Cisco
8201 24h8fh
All versions
Cisco
8201 32fh
All versions
Cisco
8201 32fh O
All versions
Cisco
8202
All versions
Cisco
8202 32fh M
All versions
Cisco
8212 48fh M
All versions
Cisco
8404
All versions
Cisco
8501 Sys Mt
All versions
Cisco
8608
All versions
Cisco
8700
All versions
Cisco
8711 32fh M
All versions
Cisco
8712 Mod M
All versions
Cisco
8804
All versions
Cisco
8808
All versions
Cisco
8812
All versions
Cisco
8818
All versions
Cisco
Ios Xrd Control Plane
All versions
Cisco
Ios Xrd Vrouter
All versions
Cisco
Ncs 540 12z20g Sys A
All versions
Cisco
Ncs 540 12z20g Sys D
All versions
Cisco
Ncs 540 24q2c2dd Sys
All versions
Cisco
Ncs 540 24q8l2dd Sys
All versions
Cisco
Ncs 540 24z8q2c Sys
All versions
Cisco
Ncs 540 28z4c Sys A
All versions
Cisco
Ncs 540 28z4c Sys D
All versions
Cisco
Ncs 540 6z14s Sys D
All versions
Cisco
Ncs 540 6z18g Sys A
All versions
Cisco
Ncs 540 6z18g Sys D
All versions
Cisco
Ncs 540 Acc Sys
All versions
Cisco
Ncs 540 Fh Agg
All versions
Cisco
Ncs 540 Fh Csr Sys
All versions
Cisco
Ncs 540x 12z16g Sys A
All versions
Cisco
Ncs 540x 12z16g Sys D
All versions
Cisco
Ncs 540x 16z4g8q2c A
All versions
Cisco
Ncs 540x 16z4g8q2c D
All versions
Cisco
Ncs 540x 16z8q2c D
All versions
Cisco
Ncs 540x 4z14g2q A
All versions
Cisco
Ncs 540x 4z14g2q D
All versions
Cisco
Ncs 540x 6z18g Sys A
All versions
Cisco
Ncs 540x 6z18g Sys D
All versions
Cisco
Ncs 540x 8z16g Sys A
All versions
Cisco
Ncs 540x 8z16g Sys D
All versions
Cisco
Ncs 540x Acc Sys
All versions
Cisco
Ncs 57b1 5dse Sys
All versions
Cisco
Ncs 57b1 6d24 Sys
All versions
Cisco
Ncs 57c1 48q6 Sys
All versions

Timeline

No history available yet.