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    Dashboard / CVE / CVE-2024-20322

    CVE-2024-20322

    A vulnerability in the access control list (ACL) processing on Pseudowire interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to improper assignment of lookup keys to internal interface contexts. An attacker could exploit this vulnerability by attempting to send traffic through an affected device. A successful exploit could allow the attacker to access resources behind the affected device that were supposed to be protected by a configured ACL.

    Published:Mar 13, 2024
    Last Modified:Aug 5, 2025
    EPS:Mar 13, 2024
    EPSS Score:0.0008
    CVSS Score:5.8

    Affected Products

    Vendor
    Cisco
    Product
    8011-4g24y4h-i
    Vendor
    Cisco
    Product
    8101-32fh
    Vendor
    Cisco
    Product
    8101-32fh-o
    Vendor
    Cisco
    Product
    8101-32h-o
    Vendor
    Cisco
    Product
    8102-28fh-dpu-o
    Vendor
    Cisco
    Product
    8102-64h
    Vendor
    Cisco
    Product
    8102-64h-o
    Vendor
    Cisco
    Product
    8111-32eh-o
    Vendor
    Cisco
    Product
    8122-64eh-o
    Vendor
    Cisco
    Product
    8122-64ehf-o
    Vendor
    Cisco
    Product
    8201
    Vendor
    Cisco
    Product
    8201-24h8fh
    Vendor
    Cisco
    Product
    8201-32fh
    Vendor
    Cisco
    Product
    8201-32fh-o
    Vendor
    Cisco
    Product
    8202
    Vendor
    Cisco
    Product
    8202-32fh-m
    Vendor
    Cisco
    Product
    8212-48fh-m
    Vendor
    Cisco
    Product
    8404
    Vendor
    Cisco
    Product
    8501-sys-mt
    Vendor
    Cisco
    Product
    8608
    Vendor
    Cisco
    Product
    8700
    Vendor
    Cisco
    Product
    8711-32fh-m
    Vendor
    Cisco
    Product
    8712-mod-m
    Vendor
    Cisco
    Product
    8804
    Vendor
    Cisco
    Product
    8808
    Vendor
    Cisco
    Product
    8812
    Vendor
    Cisco
    Product
    8818
    Vendor
    Cisco
    Product
    Ios Xr
    Vendor
    Cisco
    Product
    Ios Xr Software
    Vendor
    Cisco
    Product
    Ncs 540-12z20g-sys-a
    Vendor
    Cisco
    Product
    Ncs 540-12z20g-sys-d
    Vendor
    Cisco
    Product
    Ncs 540-24q2c2dd-sys
    Vendor
    Cisco
    Product
    Ncs 540-24q8l2dd-sys
    Vendor
    Cisco
    Product
    Ncs 540-24z8q2c-sys
    Vendor
    Cisco
    Product
    Ncs 540-28z4c-sys-a
    Vendor
    Cisco
    Product
    Ncs 540-28z4c-sys-d
    Vendor
    Cisco
    Product
    Ncs 540-6z14s-sys-d
    Vendor
    Cisco
    Product
    Ncs 540-6z18g-sys-a
    Vendor
    Cisco
    Product
    Ncs 540-6z18g-sys-d
    Vendor
    Cisco
    Product
    Ncs 540-acc-sys
    Vendor
    Cisco
    Product
    Ncs 540-fh-agg
    Vendor
    Cisco
    Product
    Ncs 540-fh-csr-sys
    Vendor
    Cisco
    Product
    Ncs 540x-12z16g-sys-a
    Vendor
    Cisco
    Product
    Ncs 540x-12z16g-sys-d
    Vendor
    Cisco
    Product
    Ncs 540x-16z4g8q2c-a
    Vendor
    Cisco
    Product
    Ncs 540x-16z4g8q2c-d
    Vendor
    Cisco
    Product
    Ncs 540x-16z8q2c-d
    Vendor
    Cisco
    Product
    Ncs 540x-4z14g2q-a
    Vendor
    Cisco
    Product
    Ncs 540x-4z14g2q-d
    Vendor
    Cisco
    Product
    Ncs 540x-6z18g-sys-a
    Vendor
    Cisco
    Product
    Ncs 540x-6z18g-sys-d
    Vendor
    Cisco
    Product
    Ncs 540x-8z16g-sys-a
    Vendor
    Cisco
    Product
    Ncs 540x-8z16g-sys-d
    Vendor
    Cisco
    Product
    Ncs 540x-acc-sys
    Vendor
    Cisco
    Product
    Ncs 5501
    Vendor
    Cisco
    Product
    Ncs 5501-se
    Vendor
    Cisco
    Product
    Ncs 5502
    Vendor
    Cisco
    Product
    Ncs 5502-se
    Vendor
    Cisco
    Product
    Ncs 5504
    Vendor
    Cisco
    Product
    Ncs 5508
    Vendor
    Cisco
    Product
    Ncs 5516
    Vendor
    Cisco
    Product
    Ncs 55a1-24h
    Vendor
    Cisco
    Product
    Ncs 55a1-24q6h-s
    Vendor
    Cisco
    Product
    Ncs 55a1-24q6h-ss
    Vendor
    Cisco
    Product
    Ncs 55a1-36h
    Vendor
    Cisco
    Product
    Ncs 55a1-36h-se
    Vendor
    Cisco
    Product
    Ncs 55a1-48q6h
    Vendor
    Cisco
    Product
    Ncs 55a2-mod-hd-s
    Vendor
    Cisco
    Product
    Ncs 55a2-mod-s
    Vendor
    Cisco
    Product
    Ncs 55a2-mod-se-s
    Vendor
    Cisco
    Product
    Ncs 560-4
    Vendor
    Cisco
    Product
    Ncs 560-7
    Vendor
    Cisco
    Product
    Ncs 57b1-5dse-sys
    Vendor
    Cisco
    Product
    Ncs 57b1-6d24-sys
    Vendor
    Cisco
    Product
    Ncs 57c1-48q6-sys
    Vendor
    Cisco
    Product
    Ncs 57c3-mod-sys
    Vendor
    Cisco
    Product
    Ncs 57d2-18dd-sys

    Exploits

    No exploit reference

    Common Weakness Enumeration

    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