CVEvulnerability

CVE-2021-1612

7.1 HIGH Published 2021-09-23 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-09-23
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS 3.1 ([email protected])
7.1 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CVSS 2.0 ([email protected])
6.6 MEDIUM — AV:L/AC:L/Au:N/C:N/I:C/A:C
Weaknesses
CWE-59, CWE-61

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.

Affected configurations

• cisco sd-wan (< 17.3.4)

Related

Weakness · CWE (2)

  • CWE-59 Improper Link Resolution Before File Access weakness
  • CWE-61 UNIX Symbolic Link (Symlink) Following weakness

References