Vulnerability Monitor

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CVE-2021-1529

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to execute arbitrary commands with root privileges. The vulnerability is due to insufficient input validation by the system CLI. An attacker could exploit this vulnerability by authenticating to an affected device and submitting crafted input to the system CLI. A successful exploit could allow the attacker to execute commands on the underlying operating system with root privileges.

Published

2021-10-21T03:15:06.830

Last Modified

2024-11-21T05:44:33.437

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:C/I:C/A:C

  • Access Vector: LOCAL
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

3.4

Impact Score

10.0

Weaknesses
  • Type: Secondary
    CWE-78
  • Type: Primary
    CWE-78
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios_xe ≤ 17.0 Yes
Operating System cisco ios_xe < 17.2.3 Yes
Operating System cisco ios_xe < 17.3.4 Yes
Operating System cisco ios_xe < 17.4.2 Yes
Operating System cisco ios_xe < 17.5.1a Yes
Operating System cisco ios_xe 17.6.0 Yes
Hardware cisco 1000_integrated_services_router - No
Hardware cisco 1100-4g\/6g_integrated_services_router - No
Hardware cisco 1100-4p_integrated_services_router - No
Hardware cisco 1100-8p_integrated_services_router - No
Hardware cisco 1100_integrated_services_router - No
Hardware cisco 1101-4p_integrated_services_router - No
Hardware cisco 1101_integrated_services_router - No
Hardware cisco 1109-2p_integrated_services_router - No
Hardware cisco 1109-4p_integrated_services_router - No
Hardware cisco 1109_integrated_services_router - No
Hardware cisco 1111x-8p_integrated_services_router - No
Hardware cisco 1111x_integrated_services_router - No
Hardware cisco 111x_integrated_services_router - No
Hardware cisco 1120_integrated_services_router - No
Hardware cisco 1160_integrated_services_router - No
Hardware cisco 4000_integrated_services_router - No
Hardware cisco 4221_integrated_services_router - No
Hardware cisco 4321_integrated_services_router - No
Hardware cisco 4331_integrated_services_router - No
Hardware cisco 4351_integrated_services_router - No
Hardware cisco 4431_integrated_services_router - No
Hardware cisco 4451-x_integrated_services_router - No
Hardware cisco 4451_integrated_services_router - No
Hardware cisco 4461_integrated_services_router - No
Hardware cisco asr_1000 - No
Hardware cisco asr_1000-esp100 - No
Hardware cisco asr_1000-x - No
Hardware cisco asr_1001 - No
Hardware cisco asr_1001-hx - No
Hardware cisco asr_1001-hx_r - No
Hardware cisco asr_1001-x - No
Hardware cisco asr_1001-x_r - No
Hardware cisco asr_1002 - No
Hardware cisco asr_1002-hx - No
Hardware cisco asr_1002-hx_r - No
Hardware cisco asr_1002-x - No
Hardware cisco asr_1002-x_r - No
Hardware cisco asr_1004 - No
Hardware cisco asr_1006 - No
Hardware cisco asr_1006-x - No
Hardware cisco asr_1009-x - No
Hardware cisco asr_1013 - No
Hardware cisco asr_1023 - No
Hardware cisco catalyst_8300-1n1s-4t2x - No
Hardware cisco catalyst_8300-1n1s-6t - No
Hardware cisco catalyst_8300-2n2s-4t2x - No
Hardware cisco catalyst_8300-2n2s-6t - No
Hardware cisco catalyst_8500 - No
Hardware cisco catalyst_8500l - No
Hardware cisco catalyst_8510csr - No
Hardware cisco catalyst_8510msr - No
Hardware cisco catalyst_8540csr - No
Hardware cisco catalyst_8540msr - No
Hardware cisco csr_1000v - No
Operating System cisco ios_xe_sd-wan ≥ 17.2.1r Yes
Hardware cisco 1100-4g\/6g_integrated_services_router - No
Hardware cisco 1100-4p_integrated_services_router - No
Hardware cisco 1100-8p_integrated_services_router - No
Hardware cisco 1100_integrated_services_router - No
Hardware cisco 1101-4p_integrated_services_router - No
Hardware cisco 1101_integrated_services_router - No
Hardware cisco 1109-2p_integrated_services_router - No
Hardware cisco 1109-4p_integrated_services_router - No
Hardware cisco 1109_integrated_services_router - No
Hardware cisco 1111x-8p_integrated_services_router - No
Hardware cisco 1111x_integrated_services_router - No
Hardware cisco 111x_integrated_services_router - No
Hardware cisco 1120_integrated_services_router - No
Hardware cisco 1160_integrated_services_router - No
Hardware cisco 4000_integrated_services_router - No
Hardware cisco 4221_integrated_services_router - No
Hardware cisco 4321_integrated_services_router - No
Hardware cisco 4331_integrated_services_router - No
Hardware cisco 4351_integrated_services_router - No
Hardware cisco 4431_integrated_services_router - No
Hardware cisco 4451-x_integrated_services_router - No
Hardware cisco 4451_integrated_services_router - No
Hardware cisco 4461_integrated_services_router - No
Hardware cisco asr_1000 - No
Hardware cisco asr_1000-esp100 - No
Hardware cisco asr_1000-x - No
Hardware cisco asr_1001 - No
Hardware cisco asr_1001-hx - No
Hardware cisco asr_1001-hx_r - No
Hardware cisco asr_1001-x - No
Hardware cisco asr_1001-x_r - No
Hardware cisco asr_1002 - No
Hardware cisco asr_1002-hx - No
Hardware cisco asr_1002-hx_r - No
Hardware cisco asr_1002-x - No
Hardware cisco asr_1002-x_r - No
Hardware cisco asr_1002_fixed_router - No
Hardware cisco asr_1004 - No
Hardware cisco asr_1006 - No
Hardware cisco asr_1006-x - No
Hardware cisco asr_1009-x - No
Hardware cisco asr_1013 - No
Hardware cisco asr_1023 - No
Hardware cisco catalyst_8300-1n1s-4t2x - No
Hardware cisco catalyst_8300-1n1s-6t - No
Hardware cisco catalyst_8300-2n2s-4t2x - No
Hardware cisco catalyst_8300-2n2s-6t - No
Hardware cisco catalyst_8500 - No
Hardware cisco catalyst_8500l - No
Hardware cisco catalyst_8510csr - No
Hardware cisco catalyst_8510msr - No
Hardware cisco catalyst_8540csr - No
Hardware cisco catalyst_8540msr - No
Hardware cisco csr_1000v - No
References