CVE-2024-20320
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.
Published:Mar 13, 2024
Last Modified:Aug 5, 2025
EPS:Mar 13, 2024
EPSS Score:0.00047
CVSS Score:7.8
Affected Products
Vendor
Product
Action
Vendor
Cisco
Product
8011-4g24y4h-i
Cisco
8011-4g24y4h-i
Vendor
Cisco
Product
8101-32fh
Cisco
8101-32fh
Vendor
Cisco
Product
8101-32fh-o
Cisco
8101-32fh-o
Vendor
Cisco
Product
8101-32h-o
Cisco
8101-32h-o
Vendor
Cisco
Product
8102-28fh-dpu-o
Cisco
8102-28fh-dpu-o
Vendor
Cisco
Product
8102-64h
Cisco
8102-64h
Vendor
Cisco
Product
8102-64h-o
Cisco
8102-64h-o
Vendor
Cisco
Product
8111-32eh-o
Cisco
8111-32eh-o
Vendor
Cisco
Product
8122-64eh-o
Cisco
8122-64eh-o
Vendor
Cisco
Product
8122-64ehf-o
Cisco
8122-64ehf-o
Vendor
Cisco
Product
8201
Cisco
8201
Vendor
Cisco
Product
8201-24h8fh
Cisco
8201-24h8fh
Vendor
Cisco
Product
8201-32fh
Cisco
8201-32fh
Vendor
Cisco
Product
8201-32fh-o
Cisco
8201-32fh-o
Vendor
Cisco
Product
8202
Cisco
8202
Vendor
Cisco
Product
8202-32fh-m
Cisco
8202-32fh-m
Vendor
Cisco
Product
8212-48fh-m
Cisco
8212-48fh-m
Vendor
Cisco
Product
8404
Cisco
8404
Vendor
Cisco
Product
8501-sys-mt
Cisco
8501-sys-mt
Vendor
Cisco
Product
8608
Cisco
8608
Vendor
Cisco
Product
8700
Cisco
8700
Vendor
Cisco
Product
8711-32fh-m
Cisco
8711-32fh-m
Vendor
Cisco
Product
8712-mod-m
Cisco
8712-mod-m
Vendor
Cisco
Product
8804
Cisco
8804
Vendor
Cisco
Product
8808
Cisco
8808
Vendor
Cisco
Product
8812
Cisco
8812
Vendor
Cisco
Product
8818
Cisco
8818
Vendor
Cisco
Product
Ios Xr
Cisco
Ios Xr
Vendor
Cisco
Product
Ios Xr Software
Cisco
Ios Xr Software
Vendor
Cisco
Product
Ios Xrd Control Plane
Cisco
Ios Xrd Control Plane
Vendor
Cisco
Product
Ios Xrd Vrouter
Cisco
Ios Xrd Vrouter
Vendor
Cisco
Product
Ncs 540-12z20g-sys-a
Cisco
Ncs 540-12z20g-sys-a
Vendor
Cisco
Product
Ncs 540-12z20g-sys-d
Cisco
Ncs 540-12z20g-sys-d
Vendor
Cisco
Product
Ncs 540-24q2c2dd-sys
Cisco
Ncs 540-24q2c2dd-sys
Vendor
Cisco
Product
Ncs 540-24q8l2dd-sys
Cisco
Ncs 540-24q8l2dd-sys
Vendor
Cisco
Product
Ncs 540-24z8q2c-sys
Cisco
Ncs 540-24z8q2c-sys
Vendor
Cisco
Product
Ncs 540-28z4c-sys-a
Cisco
Ncs 540-28z4c-sys-a
Vendor
Cisco
Product
Ncs 540-28z4c-sys-d
Cisco
Ncs 540-28z4c-sys-d
Vendor
Cisco
Product
Ncs 540-6z14s-sys-d
Cisco
Ncs 540-6z14s-sys-d
Vendor
Cisco
Product
Ncs 540-6z18g-sys-a
Cisco
Ncs 540-6z18g-sys-a
Vendor
Cisco
Product
Ncs 540-6z18g-sys-d
Cisco
Ncs 540-6z18g-sys-d
Vendor
Cisco
Product
Ncs 540-acc-sys
Cisco
Ncs 540-acc-sys
Vendor
Cisco
Product
Ncs 540-fh-agg
Cisco
Ncs 540-fh-agg
Vendor
Cisco
Product
Ncs 540-fh-csr-sys
Cisco
Ncs 540-fh-csr-sys
Vendor
Cisco
Product
Ncs 540x-12z16g-sys-a
Cisco
Ncs 540x-12z16g-sys-a
Vendor
Cisco
Product
Ncs 540x-12z16g-sys-d
Cisco
Ncs 540x-12z16g-sys-d
Vendor
Cisco
Product
Ncs 540x-16z4g8q2c-a
Cisco
Ncs 540x-16z4g8q2c-a
Vendor
Cisco
Product
Ncs 540x-16z4g8q2c-d
Cisco
Ncs 540x-16z4g8q2c-d
Vendor
Cisco
Product
Ncs 540x-16z8q2c-d
Cisco
Ncs 540x-16z8q2c-d
Vendor
Cisco
Product
Ncs 540x-4z14g2q-a
Cisco
Ncs 540x-4z14g2q-a
Vendor
Cisco
Product
Ncs 540x-4z14g2q-d
Cisco
Ncs 540x-4z14g2q-d
Vendor
Cisco
Product
Ncs 540x-6z18g-sys-a
Cisco
Ncs 540x-6z18g-sys-a
Vendor
Cisco
Product
Ncs 540x-6z18g-sys-d
Cisco
Ncs 540x-6z18g-sys-d
Vendor
Cisco
Product
Ncs 540x-8z16g-sys-a
Cisco
Ncs 540x-8z16g-sys-a
Vendor
Cisco
Product
Ncs 540x-8z16g-sys-d
Cisco
Ncs 540x-8z16g-sys-d
Vendor
Cisco
Product
Ncs 540x-acc-sys
Cisco
Ncs 540x-acc-sys
Vendor
Cisco
Product
Ncs 57b1-5dse-sys
Cisco
Ncs 57b1-5dse-sys
Vendor
Cisco
Product
Ncs 57b1-6d24-sys
Cisco
Ncs 57b1-6d24-sys
Vendor
Cisco
Product
Ncs 57c1-48q6-sys
Cisco
Ncs 57c1-48q6-sys
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
