Vulnerability Details : CVE-2021-1443

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 attacker could exploit this vulnerability by tampering with a specific configuration file and then sending an API call. A successful exploit could allow the attacker 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.
Published 2021-03-24 20:15:15
Updated 2022-08-05 17:45:45
Source Cisco Systems, Inc.
View at NVD,   CVE.org
Vulnerability category: Execute code

Products affected by CVE-2021-1443

Exploit prediction scoring system (EPSS) score for CVE-2021-1443

EPSS FAQ
0.19%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 57 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-1443

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
8.5
 HIGH AV:N/AC:M/Au:S/C:C/I:C/A:C
6.8
10.0
 NIST
5.5
 MEDIUM CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N
1.2
4.2
 Cisco Systems, Inc.
7.2
 HIGH CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
1.2
5.9
 NIST

CWE ids for CVE-2021-1443

References for CVE-2021-1443

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