CVEvulnerability
CVE-2021-1281
6.7 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-03-24
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.1 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N
- CVSS 3.1 ([email protected])
- 6.7 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.9 MEDIUM — AV:L/AC:M/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-399
Description
A vulnerability in CLI management in Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to access the underlying operating system as the root user. This vulnerability is due to the way the software handles concurrent CLI sessions. An attacker could exploit this vulnerability by authenticating to the device as an administrative user and executing a sequence of commands. A successful exploit could allow the attacker to obtain access to the underlying operating system as the root user.
Affected configurations
• cisco ios xe 16.9.1
• cisco ios xe 16.9.2
• cisco ios xe 16.9.3
• cisco ios xe 16.9.4
• cisco ios xe 16.10.1
• cisco ios xe 16.10.1a
• cisco ios xe 16.10.1b
• cisco ios xe 16.10.1c
• cisco ios xe 16.10.1d
• cisco ios xe 16.10.1e
• cisco ios xe 16.10.1f
• cisco ios xe 16.10.1g
• cisco ios xe 16.10.1s
• cisco ios xe 16.10.2
• cisco ios xe 16.10.3
• 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 16.12.4
• cisco ios xe 16.12.4a
• cisco ios xe 17.1.1
• cisco ios xe 17.1.1a
• cisco ios xe 17.1.1s
• cisco ios xe 17.1.1t
• cisco ios xe 17.1.2
• cisco ios xe 17.1.3
• cisco ios xe 17.2.1
• cisco ios xe 17.2.1a
• cisco ios xe 17.2.1r
• cisco ios xe 17.2.1v
• cisco ios xe 17.2.2
• cisco ios xe 17.3.1
• cisco ios xe 17.3.1a
• cisco ios xe 17.3.1w
• cisco ios xe 17.3.2
• cisco ios xe 17.3.2a
• cisco ios xe 17.4.1
• cisco ios xe 17.4.1a
• cisco ios xe 17.4.1b