> CVE-2024-20398 [HIGH]

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PUBLISHED
2024-09-11 17:15
MODIFIED
2024-10-03 01:47
CVSS_SCORE V3
8.8
EPSS (Prob. Exploit)
0.21%
Top 89.1%
DATA SOURCES:
NVD 🔗 2025-10-18 CVE PROJECT 🔗 2026-01-19 FIRST EPSS 🔗 2026-10-25

> DESCRIPTION

A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to obtain read/write file system access on the underlying operating system of an affected device. This vulnerability is due to insufficient validation of user arguments that are passed to specific CLI commands. An attacker with a low-privileged account could exploit this vulnerability by using crafted commands at the prompt. A successful exploit could allow the attacker to elevate privileges to root.

> AFFECTED_PRODUCTS

Cisco - IOS XR
Version: 6.5.1
Cisco - IOS XR
Version: 6.5.2
Cisco - IOS XR
Version: 6.5.3
Cisco - IOS XR
Version: 6.5.15
Cisco - IOS XR
Version: 6.5.25
Cisco - IOS XR
Version: 6.5.26
Cisco - IOS XR
Version: 6.5.28
Cisco - IOS XR
Version: 6.5.29
Cisco - IOS XR
Version: 6.5.31
Cisco - IOS XR
Version: 6.5.32
Cisco - IOS XR
Version: 6.5.33
Cisco - IOS XR
Version: 6.5.90
Cisco - IOS XR
Version: 6.5.92
Cisco - IOS XR
Version: 6.5.93
Cisco - IOS XR
Version: 6.6.1
Cisco - IOS XR
Version: 6.6.2
Cisco - IOS XR
Version: 6.6.3
Cisco - IOS XR
Version: 6.6.4
Cisco - IOS XR
Version: 6.6.11
Cisco - IOS XR
Version: 6.6.12
Cisco - IOS XR
Version: 6.6.25
Cisco - IOS XR
Version: 7.0.0
Cisco - IOS XR
Version: 7.0.1
Cisco - IOS XR
Version: 7.0.2
Cisco - IOS XR
Version: 7.0.11
Cisco - IOS XR
Version: 7.0.12
Cisco - IOS XR
Version: 7.0.14
Cisco - IOS XR
Version: 7.0.90
Cisco - IOS XR
Version: 7.1.1
Cisco - IOS XR
Version: 7.1.2
Cisco - IOS XR
Version: 7.1.3
Cisco - IOS XR
Version: 7.1.15
Cisco - IOS XR
Version: 7.1.25
Cisco - IOS XR
Version: 7.2.0
Cisco - IOS XR
Version: 7.2.1
Cisco - IOS XR
Version: 7.2.2
Cisco - IOS XR
Version: 7.2.12
Cisco - IOS XR
Version: 7.3.1
Cisco - IOS XR
Version: 7.3.2
Cisco - IOS XR
Version: 7.3.3
Cisco - IOS XR
Version: 7.3.4
Cisco - IOS XR
Version: 7.3.5
Cisco - IOS XR
Version: 7.3.6
Cisco - IOS XR
Version: 7.3.15
Cisco - IOS XR
Version: 7.3.16
Cisco - IOS XR
Version: 7.3.27
Cisco - IOS XR
Version: 7.4.1
Cisco - IOS XR
Version: 7.4.2
Cisco - IOS XR
Version: 7.4.15
Cisco - IOS XR
Version: 7.4.16
Cisco - IOS XR
Version: 7.5.1
Cisco - IOS XR
Version: 7.5.2
Cisco - IOS XR
Version: 7.5.3
Cisco - IOS XR
Version: 7.5.4
Cisco - IOS XR
Version: 7.5.5
Cisco - IOS XR
Version: 7.5.12
Cisco - IOS XR
Version: 7.5.52
Cisco - IOS XR
Version: 7.6.1
Cisco - IOS XR
Version: 7.6.2
Cisco - IOS XR
Version: 7.6.3
Cisco - IOS XR
Version: 7.6.15
Cisco - IOS XR
Version: 7.7.1
Cisco - IOS XR
Version: 7.7.2
Cisco - IOS XR
Version: 7.7.21
Cisco - IOS XR
Version: 7.8.1
Cisco - IOS XR
Version: 7.8.2
Cisco - IOS XR
Version: 7.8.12
Cisco - IOS XR
Version: 7.8.22
Cisco - IOS XR
Version: 7.9.1
Cisco - IOS XR
Version: 7.9.2
Cisco - IOS XR
Version: 7.9.21
Cisco - IOS XR
Version: 7.10.1
Cisco - IOS XR
Version: 7.10.2
Cisco - IOS XR
Version: 7.11.1
Cisco - IOS XR
Version: 7.11.2
Cisco - IOS XR
Version: 24.1.1

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Local (L)
Exploit nécessite un accès local au système
AC (Complexité d'Attaque)
Attack Complexity
Low (L)
Peu de conditions requises pour exploiter
PR (Privilèges Requis)
Privileges Required
Low (L)
Authentifié avec compte utilisateur basique
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Changed (C)
Impact s'étend au-delà du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
High (H)
Divulgation totale d'informations
I (Impact Intégrité)
Integrity Impact
High (H)
Modification totale des données possible
A (Impact Disponibilité)
Availability Impact
High (H)
Interruption totale du service possible

> RÉSUMÉ DES IMPACTS

Confidentialité
High
Divulgation totale d'informations
Intégrité
High
Modification totale des données possible
Disponibilité
High
Interruption totale du service possible

> HISTORIQUE DES MODIFICATIONS

Première apparition
11/09/2024 17:15
Source: NVD
📊 ENRICHISSEMENT 18/10/2025 14:54
CVEPROJECT
Champ modifié: CVE Project
Ancienne valeur:
Non
Nouvelle valeur:
Oui
Total des modifications: 1 Dernière mise à jour: 1 year ago
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