CVE-2020-3503

Cisco IOS XE Software Guest Shell Unauthorized File System Access Vulnerability

Description

A vulnerability in the file system permissions of Cisco IOS XE Software could allow an authenticated, local attacker to obtain read and write access to critical configuration or system files. The vulnerability is due to insufficient file system permissions on an affected device. An attacker could exploit this vulnerability by connecting to an affected device's guest shell, and accessing or modifying restricted files. A successful exploit could allow the attacker to view or modify restricted information or configurations that are normally not accessible to system administrators.

Categories

6.0
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.04%
Vendor Advisory cisco.com
Affected: Cisco Cisco IOS XE Software
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2020-3503?
CVE-2020-3503 has been scored as a medium severity vulnerability.
How to fix CVE-2020-3503?
To fix CVE-2020-3503, 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-2020-3503 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-3503 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-2020-3503?
CVE-2020-3503 affects Cisco Cisco IOS XE Software.
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