8.5
CVSSv2

CVE-2021-1443

Published: 24/03/2021 Updated: 07/11/2023
CVSS v2 Base Score: 8.5 | Impact Score: 10 | Exploitability Score: 6.8
CVSS v3 Base Score: 7.2 | Impact Score: 5.9 | Exploitability Score: 1.2
VMScore: 756
Vector: AV:N/AC:M/Au:S/C:C/I:C/A:C

Vulnerability Summary

A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote malicious user to execute arbitrary code with root privileges on the underlying operating system of an affected device. The vulnerability exists because the affected software improperly sanitizes values that are parsed from a specific configuration file. An attacker could exploit this vulnerability by tampering with a specific configuration file and then sending an API call. A successful exploit could allow the malicious user to inject arbitrary code that would be executed on the underlying operating system of the affected device. To exploit this vulnerability, the attacker would need to have a privileged set of credentials to the device.

Vulnerability Trend

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cisco ios xe 16.9.1

cisco ios xe 16.9.1s

cisco ios xe 16.9.1c

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cisco ios xe 16.12.1

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cisco ios xe 16.12.1w

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cisco ios xe 16.9.2s

cisco ios xe 16.9.3h

cisco ios xe 16.9.3a

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cisco ios xe 16.10.1g

cisco ios xe 16.10.2

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cisco ios xe 16.9.3s

cisco ios xe 16.10.1c

cisco ios xe 16.9.4

cisco ios xe 16.12.2

cisco ios xe 16.9.4c

cisco ios xe 16.12.2a

cisco ios xe 16.10.3

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cisco ios xe 16.9.5f

cisco ios xe 16.12.3

cisco ios xe 17.2.1

cisco ios xe 17.1.1s

cisco ios xe 16.12.2t

cisco ios xe 17.1.1a

cisco ios xe 16.12.2s

cisco ios xe 16.12.3a

cisco ios xe 17.1.1t

cisco ios xe 17.2.1a

cisco ios xe 17.2.1v

cisco ios xe 16.12.1z

cisco ios xe 16.12.3s

cisco ios xe 17.2.1r

cisco ios xe 17.1.2

cisco ios xe 16.12.1za

cisco ios xe 16.12.1z1

Vendor Advisories

A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to execute arbitrary code with root privileges on the underlying operating system of an affected device The vulnerability exists because the affected software improperly sanitizes values that are parsed from a specific configuration file An attack ...