CVEvulnerability
CVE-2021-1434
6.0 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-03-24
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.4 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
- CVSS 3.1 ([email protected])
- 6.0 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/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-552
Description
A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to overwrite arbitrary files in the underlying file system. This vulnerability is due to insufficient validation of the parameters of a specific CLI command. An attacker could exploit this vulnerability by issuing that command with specific parameters. A successful exploit could allow the attacker to overwrite the content of any arbitrary file that resides on the underlying host file system.
Affected configurations
• 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
• cisco ios xe 16.12.1c
• cisco ios xe 16.12.1s
• cisco ios xe 16.12.1t
• cisco ios xe 16.12.1w
• cisco ios xe 16.12.1x
• cisco ios xe 16.12.1y
• cisco ios xe 16.12.1z
• cisco ios xe 16.12.1za
• cisco ios xe 16.12.2
• cisco ios xe 16.12.2a
• cisco ios xe 16.12.2s
• cisco ios xe 16.12.2t
• cisco ios xe 16.12.3
• cisco ios xe 16.12.3a
• cisco ios xe 16.12.3s
• cisco ios xe 17.2.1
• cisco ios xe 17.2.1a
• cisco ios xe 17.2.1r
• cisco ios xe 17.2.1v
Related
Weakness · CWE (1)
- CWE-552 Files or Directories Accessible to External Parties weakness