CVE-2021-1436 Detail

Current Description

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to conduct path traversal attacks and obtain read access to sensitive files on an affected system. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to view arbitrary files on the affected system.

View Analysis Description

Analysis Description

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to conduct path traversal attacks and obtain read access to sensitive files on an affected system. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to view arbitrary files on the affected system.

Severity

CVSS 3.x Severity and Metrics:

CVSS 2.0 Severity and Metrics:

References to Advisories, Solutions, and Tools

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Weakness Enumeration

CWE-ID CWE Name Source
CWE-22 Improper Limitation of a Pathname to a Restricted Directory (‘Path Traversal’) Cisco Systems, Inc.  

Change History

2 change records found show changes

Initial Analysis 3/29/2021 3:56:57 PM

Action Type Old Value New Value
Added CPE Configuration Record truncated, showing 500 of 1909 characters.
View Entire Change Record

OR
     *cpe:2.3:o:cisco:ios_xe:3.15.1xbs:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:3.15.2xbs:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:16.11.1:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:16.11.1a:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:16.11.1b:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:16.11.1c:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:16.11.1s:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:16.11.2:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:16.12.1:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:1
Added CVSS V2
NIST (AV:L/AC:M/Au:N/C:C/I:N/A:N)
Added CVSS V3.1
NIST AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Changed Reference Type
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-sdwpathtrav-nsrue2Mt No Types Assigned
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-sdwpathtrav-nsrue2Mt Vendor Advisory

CVE Modified by Cisco Systems, Inc. 3/24/2021 5:15:13 PM

Action Type Old Value New Value
Changed Description
 A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to conduct path traversal attacks and obtain read access to sensitive files on an affected system.
 This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to view arbitrary files on the affected system.
 
A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to conduct path traversal attacks and obtain read access to sensitive files on an affected system. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to view arbitrary files on the affected system.

Quick Info

CVE Dictionary Entry:
CVE-2021-1436
NVD Published Date:
03/24/2021
NVD Last Modified:
03/29/2021
Source:
Cisco Systems, Inc.