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CVE-2020-3503

Severity CVSS v4.0:
Pending analysis
Type:
CWE-284 Improper Access Control
Publication date:
24/09/2020
Last modified:
19/12/2024

Description

A vulnerability in the file system permissions of Cisco IOS XE Software could allow an authenticated, local attacker to obtain read and write access to critical configuration or system files. The vulnerability is due to insufficient file system permissions on an affected device. An attacker could exploit this vulnerability by connecting to an affected device's guest shell, and accessing or modifying restricted files. A successful exploit could allow the attacker to view or modify restricted information or configurations that are normally not accessible to system administrators.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 6.00 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): None

Base Score 3.x
6.00
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:L/Au:N/C:P/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 3.60 LOW
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:N

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): None

Base Score 2.0
3.60
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:ios_xe:16.12.1:*:*:*:*:*:*:*
cpe:2.3:h:cisco:1100-4g_integrated_services_router:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:1100-4gltegb_integrated_services_router:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:1100-4gltena_integrated_services_router:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:1100-4p_integrated_services_router:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:1100-6g_integrated_services_router:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:1100-8p_integrated_services_router:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:1100-lte_integrated_services_router:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:1100_integrated_services_router:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:1101-4p_integrated_services_router:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:1101_integrated_services_router:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:1109-2p_integrated_services_router:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:1109-4p_integrated_services_router:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:1109_integrated_services_router:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:1111x-8p_integrated_services_router:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools