CVE-2021-1435

A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to inject arbitrary commands that can be executed as the root user. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted request to the web UI of an affected device with arbitrary commands injected into a portion of the request. A successful exploit could allow the attacker to execute arbitrary commands as the root user.

• CVE ID
• CVE-2021-1435

• Assigner
• ykramarz@cisco.com

• Vulnerability Status
• Analyzed

• Published Version
• 2021-03-24T20:15:14

• Last Modified Date
• 2021-03-29T20:03:08

• Version
• 2.0

• Vector String
• AV:N/AC:L/Au:S/C:C/I:C/A:C

• Access Vector
• NETWORK

• Access Compatibility
• LOW

• Authentication
• SINGLE

• Confidentiality Impact
• COMPLETE

• Integrity Impact
• COMPLETE

• Availability Impact
• COMPLETE

• Base Score
• 9

• Severity
• HIGH

• Exploitability Score
• 8

• Impact Score
• 10

• Version
• 3.1

• Vector String
• CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

• Attack Vector
• NETWORK

• Attack Compatibility
• LOW

• Privileges Required
• HIGH

• User Interaction
• NONE

• Scope
• UNCHANGED

• Confidentiality Impact
• HIGH

• Availability Impact
• HIGH

• Base Score
• 7.2

• Base Severity
• HIGH

• Exploitability Score
• 1.2

• Impact Score
• 5.9