CVE-2021-1612

MEDIUM

Cisco Sd-wan < 17.3.4 - Symlink Following

Title source: rule
STIX 2.1

Description

A vulnerability in the Cisco IOS XE SD-WAN Software CLI could allow an authenticated, local attacker to overwrite arbitrary files on the local system. This vulnerability is due to improper access controls on files within the local file system. An attacker could exploit this vulnerability by placing a symbolic link in a specific location on the local file system. A successful exploit could allow the attacker to overwrite arbitrary files on an affected device.

Scores

CVSS v3 5.5
EPSS 0.0005
EPSS Percentile 14.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-61 CWE-59
Status published
Products (1)
cisco/sd-wan < 17.3.4
Published Sep 23, 2021
Tracked Since Feb 18, 2026