CVE-2021-34724

Cisco IOS XE SD-WAN Software Privilege Escalation Vulnerability

Description

A vulnerability in the Cisco IOS XE SD-WAN Software CLI could allow an authenticated, local attacker to elevate privileges and execute arbitrary code on the underlying operating system as the root user. An attacker must be authenticated on an affected device as a PRIV15 user. This vulnerability is due to insufficient file system protection and the presence of a sensitive file in the bootflash directory on an affected device. An attacker could exploit this vulnerability by overwriting an installer file stored in the bootflash directory with arbitrary commands that can be executed with root-level privileges. A successful exploit could allow the attacker to read and write changes to the configuration database on the affected device.

Category

6.0
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.12%
Vendor Advisory cisco.com
Affected: Cisco Cisco IOS XE SD-WAN Software
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-34724?
CVE-2021-34724 has been scored as a medium severity vulnerability.
How to fix CVE-2021-34724?
To fix CVE-2021-34724, 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-2021-34724 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-34724 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-2021-34724?
CVE-2021-34724 affects Cisco Cisco IOS XE SD-WAN Software.
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