> CVE-2021-1491 [MEDIUM]

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PUBLISHED
2024-11-15 17:15
MODIFIED
2025-08-04 14:42
CVSS_SCORE V3
6.5
EPSS (Prob. Exploit)
1.33%
Top 29.0%
DATA SOURCES:
NVD 🔗 2025-10-18 CVE PROJECT 🔗 2026-01-19 FIRST EPSS 🔗 2026-10-25

> DESCRIPTION

A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to read arbitrary files on the underlying file system of the device. This vulnerability is due to insufficient file scope limiting. An attacker could exploit this vulnerability by creating a specific file reference on the file system and then accessing it through the web-based management interface. A successful exploit could allow the attacker to read arbitrary files from the file system of the underlying operating system.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

> AFFECTED_PRODUCTS

Cisco - Catalyst Sd Wan Manager
Version: 17.2.4
Cisco - Catalyst Sd Wan Manager
Version: 17.2.5
Cisco - Catalyst Sd Wan Manager
Version: 17.2.6
Cisco - Catalyst Sd Wan Manager
Version: 17.2.7
Cisco - Catalyst Sd Wan Manager
Version: 17.2.8
Cisco - Catalyst Sd Wan Manager
Version: 17.2.9
Cisco - Catalyst Sd Wan Manager
Version: 17.2.10
Cisco - Catalyst Sd Wan Manager
Version: 18.2.0
Cisco - Catalyst Sd Wan Manager
Version: 18.3.0
Cisco - Catalyst Sd Wan Manager
Version: 18.3.1
Cisco - Catalyst Sd Wan Manager
Version: 18.3.1.1
Cisco - Catalyst Sd Wan Manager
Version: 18.3.3
Cisco - Catalyst Sd Wan Manager
Version: 18.3.3.1
Cisco - Catalyst Sd Wan Manager
Version: 18.3.4
Cisco - Catalyst Sd Wan Manager
Version: 18.3.5
Cisco - Catalyst Sd Wan Manager
Version: 18.3.6
Cisco - Catalyst Sd Wan Manager
Version: 18.3.6.1
Cisco - Catalyst Sd Wan Manager
Version: 18.3.7
Cisco - Catalyst Sd Wan Manager
Version: 18.3.8
Cisco - Catalyst Sd Wan Manager
Version: 18.4.0
Cisco - Catalyst Sd Wan Manager
Version: 18.4.0.1
Cisco - Catalyst Sd Wan Manager
Version: 18.4.1
Cisco - Catalyst Sd Wan Manager
Version: 18.4.3
Cisco - Catalyst Sd Wan Manager
Version: 18.4.4
Cisco - Catalyst Sd Wan Manager
Version: 18.4.5
Cisco - Catalyst Sd Wan Manager
Version: 18.4.6
Cisco - Catalyst Sd Wan Manager
Version: 18.4.302
Cisco - Catalyst Sd Wan Manager
Version: 18.4.303
Cisco - Catalyst Sd Wan Manager
Version: 18.4.501 es
Cisco - Catalyst Sd Wan Manager
Version: 19.0.0
Cisco - Catalyst Sd Wan Manager
Version: 19.0.1a
Cisco - Catalyst Sd Wan Manager
Version: 19.1.0
Cisco - Catalyst Sd Wan Manager
Version: 19.2.0
Cisco - Catalyst Sd Wan Manager
Version: 19.2.1
Cisco - Catalyst Sd Wan Manager
Version: 19.2.2
Cisco - Catalyst Sd Wan Manager
Version: 19.2.3
Cisco - Catalyst Sd Wan Manager
Version: 19.2.4
Cisco - Catalyst Sd Wan Manager
Version: 19.2.4.0.1
Cisco - Catalyst Sd Wan Manager
Version: 19.2.31
Cisco - Catalyst Sd Wan Manager
Version: 19.2.32
Cisco - Catalyst Sd Wan Manager
Version: 19.2.097
Cisco - Catalyst Sd Wan Manager
Version: 19.2.098
Cisco - Catalyst Sd Wan Manager
Version: 19.2.099
Cisco - Catalyst Sd Wan Manager
Version: 19.2.929
Cisco - Catalyst Sd Wan Manager
Version: 19.3.0
Cisco - Catalyst Sd Wan Manager
Version: 20.1.1
Cisco - Catalyst Sd Wan Manager
Version: 20.1.1.1
Cisco - Catalyst Sd Wan Manager
Version: 20.1.2
Cisco - Catalyst Sd Wan Manager
Version: 20.1.2 937
Cisco - Catalyst Sd Wan Manager
Version: 20.1.12
Cisco - Catalyst Sd Wan Manager
Version: 20.3.1
Cisco - Catalyst Sd Wan Manager
Version: 20.3.2
Cisco - Catalyst Sd Wan Manager
Version: 20.3.2.1
Cisco - Catalyst Sd Wan Manager
Version: 20.3.2.1 927
Cisco - Catalyst Sd Wan Manager
Version: 20.3.2.1 930
Cisco - Catalyst Sd Wan Manager
Version: 20.3.2 925
Cisco - Catalyst Sd Wan Manager
Version: 20.3.2 928
Cisco - Catalyst Sd Wan Manager
Version: 20.3.2 929
Cisco - Catalyst Sd Wan Manager
Version: 20.3.2 937
Cisco - Catalyst Sd Wan Manager
Version: 20.3.3
Cisco - Catalyst Sd Wan Manager
Version: 20.4.1
Cisco - Catalyst Sd Wan Manager
Version: 20.4.1.0.1
Cisco - Catalyst Sd Wan Manager
Version: 20.4.1.1

> CVSS V3 METRICS

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

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Network (N)
Exploit possible à distance via réseau (HTTP, API, etc.)
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
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
High (H)
Divulgation totale d'informations
I (Impact Intégrité)
Integrity Impact
None (N)
Aucune modification de données possible
A (Impact Disponibilité)
Availability Impact
None (N)
Aucune interruption de service

> RÉSUMÉ DES IMPACTS

Confidentialité
High
Divulgation totale d'informations
Intégrité
None
Aucune modification de données possible
Disponibilité
None
Aucune interruption de service

> HISTORIQUE DES MODIFICATIONS

Première apparition
15/11/2024 17:15
Source: NVD
📊 ENRICHISSEMENT 18/10/2025 14:31
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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