CVE-2021-1434

Cisco IOS XE SD-WAN Software Arbitrary File Corruption Vulnerability

Description

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to overwrite arbitrary files in the underlying file system. This vulnerability is due to insufficient validation of the parameters of a specific CLI command. An attacker could exploit this vulnerability by issuing that command with specific parameters. A successful exploit could allow the attacker to overwrite the content of any arbitrary file that resides on the underlying host file system.

References

Link	Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-arbfile-FUxskKDE	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-1434?: CVE-2021-1434 has been scored as a medium severity vulnerability.
How to fix CVE-2021-1434?: To fix CVE-2021-1434, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-1434 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-1434 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-1434?: CVE-2021-1434 affects Cisco Cisco IOS XE Software.

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Description

Category

CWE-552 – Files or Directories Accessible to External Parties

References

Frequently Asked Questions