CVE-2021-1436

MEDIUM

Cisco IOS XE SD-WAN - Authenticated Path Traversal via CLI

Title source: llm
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 4.4
EPSS 0.0007
EPSS Percentile 22.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-22
Status published
Products (37)
cisco/ios_xe 3.15.1xbs
cisco/ios_xe 3.15.2xbs
cisco/ios_xe 16.11.1
cisco/ios_xe 16.11.1a
cisco/ios_xe 16.11.1b
cisco/ios_xe 16.11.1c
cisco/ios_xe 16.11.1s
cisco/ios_xe 16.11.2
cisco/ios_xe 16.12.1
cisco/ios_xe 16.12.1a
... and 27 more
Published Mar 24, 2021
Tracked Since Feb 18, 2026